Speed sentence example

speed
  • He drove the speed limit - no more, no less.
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  • The big deal is the speed limit is fifty.
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  • Plus, it's all about to speed way, way up.
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  • Howard had to pull out of the driveway slowly and gradually increase his speed.
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  • I broke the speed limit wasting no time getting there.
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  • He shifted his bike into high gear as he began a long downhill, build­ing speed, anxious to get home.
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  • In the end, the speed at which a human operator can move has a physical limit.
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  • The dolphin carried him with great speed to the nearest shore.
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  • With our speed, we should be able to run down deer.
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  • Winston crossed over to Baratto with surprising speed and grabbed him by the collar, nearly lifting him off the ground.
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  • He pushed up both speed and distance.
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  • The speed and quality of those algorithms will get ever better.
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  • Whether he was pulling it or being pushed by it he did not know, but rushed along at headlong speed with no time to consider what this movement might lead to.
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  • He began first a short ascent, then a drop to a sharp curve he nearly missed, causing him to reduce his speed further.
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  • Dean had all he could do to maintain reasonable proximity to the speed limit after letting Fred know where he was going.
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  • In this way two cavalry regiments galloped through the Semenovsk hollow and as soon as they reached the top of the incline turned round and galloped full speed back again.
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  • My high speed was spotted by a patrol car coming in the opposite direction.
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  • Jessi went to his bedroom and made the bed with speed bred from routine then began feeling around the strange darkness for drawers.
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  • She writes with fair speed and absolute sureness.
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  • Dean pulled away from the curb, keeping his speed to a parade crawl.
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  • He'd taught her a few things during the two weeks he toyed with her, among them, how to combine her flexibility and speed into something more lethal.
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  • At one time, as in the case of Blechingdon, they would perform strange exploits worthy of the most daring hussars; at another their speed and tenacity paralyses armies.
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  • This point is dwelt upon, because the speed limitations of the hand-crane are often overlooked by engineers.
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  • The Internet will greatly speed the research and, hopefully, the safety of GM foods.
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  • Nicholas did not hear his own cry nor feel that he was galloping, nor see the borzois, nor the ground over which he went: he saw only the wolf, who, increasing her speed, bounded on in the same direction along the hollow.
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  • She hit the speed dial button.
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  • It showed him in battle, his hardened body moving with unearthly speed and agility against enemies that were obscured.
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  • He brought Cynthia up to speed on his meeting with Lydia after confirming there was no further word on Martha's disappearance.
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  • "The speed limit's thirty-five," she objected.
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  • News of the break-in on Collingswood Avenue had traveled with the speed of an Olympic sprinter through the Parkside, Pennsylvania police department.
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  • To control the speed and Brakes absorb this energy, brakes have to be provided.
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  • We are gaining speed, not winding down.
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  • Thus the speed on a line at which the repeater is situated exactly midway will be four times that of the line worked direct.
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  • Repeaters (or translators, as they are sometimes termed) are in Great Britain only used on fast-speed circuits; they are in no case found necessary on circuits worked by hand, or at " key speed " as it is called.
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  • It was found impossible to make the Morse ink writer so sensitive that it could record signals sent over land lines of several hundred miles in length, if the speed of transmission was very much faster than that which could be effected by hand, and this led to the adoption of automatic methods of transmission.
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  • Up to too words per minute the signals are easily readable, but beyond that speed they are more difficult to translate, although experts can read them when received at zoo words per minute.
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  • It is of course necessary that two instruments working together should have the same speed.
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  • In Hughes's instrument almost perfect accuracy and certainty have been attained; and in actual practice it has proved to be decidedly superior to all previous type-printing telegraphs, not only in speed and accuracy, but in less liability to mechanical derangement from wear and tear and from accident.
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  • With this modified form somewhat greater speed was obtained, but it was found difficult to drive, requiring the use of steam or some such motive-power.
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  • The system brought out in 1874 by Emile Baudot and since considerably developed is a multiplex system giving from two to six channels on one wire, each channel giving a working, speed of thirty words per minute.
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  • 17 a arranged to maintain uniform speed and to control their respective receivers.
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  • The messages in the form of perforated tape are then passed through an automatic transmitter, something like a Wheatstone transmitter, at a speed of about 100 words a minute.
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  • This printer is purely mechanical, and its speed is very high.
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  • The usual working speed is from 100 to 120 words per minute.
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  • As it uses the Baudot telegraph alphabet it has an advantage in theory over the Wheatstone using the Morse alphabet in regard to the speed that can be obtained on a long telegraph line in the ratio of eight to five, and this theoretical advantage is more or less realized in practice.
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  • The speed of the receiving perforator ranges from 20 to 150 words per minute.
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  • The synchronous revolutions of the transmitting cylinders are effected by making one cylinder revolve slightly faster than the other; after each revolution the cylinder which is accelerated is arrested for a moment by means of a special relay until the difference of speed is accurately compensated for.
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  • For working long submarine cables the apparatus ordinarily employed on land lines cannot be used, as the retarding effect of the electrostatic capacity of the cable is so marked that signals fail to be recorded except at a very slow speed of working.
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  • Over the surface of the plate and between it and the indicator there was passed, at a regularly uniform speed, in a direction perpendicular to the line of motion of the indicator, a material capable of being acted on physically by the sparks, through either their chemical action, their heat, or their perforating force.
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  • The heavier cores, with the consequent advance in speed of working attainable, have necessitated the introduction of automatic sending, the instruments adopted being in general a modification of the Wheatstone transmitter adapted to the form of cable signals, while the regularity of transmission thus secured has caused its introduction even on circuits where the speed cannot exceed that of the ordinary operator's hand signalling.
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  • The speed of a cable is given in words per minute, the conventional number of five letters per word being understood, though in actual practice, owing to the extensive use of special codes, the number of letters per word is really between eight and nine; and this forms a considerable factor in lowering the earning capacity of a cable.
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  • (For the Sicilian and Sardinian lines, see SICILY and SARDINIA.) The speed of the trains is not high, nor are the runs without stoppage long as a rule.
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  • He vaguely anticipates the modern idea of the world as a survival of the fittest when he says that many races may have lived and died out, and that those which still exist have been protected either by craft, courage or speed.
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  • About half-way between `Ana and Hit, in the neighbourhood of Haditha, the river has a breadth of 300 yds., with a depth of r8 ft., and a flood speed of 4 knots.
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  • By an invention probably due to Humfray Cole and published in 1 578 by William Bourne in his Inventions and Devices, it was proposed to register a ship's speed by means of a "little small close boat," with a wheel, or wheels, and an axle-tree to turn clockwork in the little boat, with dials and pointers indicating fathoms, leagues, scores of leagues and hundreds of leagues.
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  • Gower in 1772, practically demonstrated the registration of a vessel's speed by mechanical means.
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  • To ascertain the ship's speed by the common log four articles are necessary - a log-ship or log-chip, log-reel, log-line and log-glass.
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  • For speeds over six knots a 14-second glass is employed, and the speed indicated by the log-line is doubled.
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  • In a steam vessel running at high speed on an ocean route, with engines working smoothly and uniformly, a careful officer with correct line and glass can obtain very accurate results with the common log.
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  • In the deltas of shoal rivers, with a strong tide or current and no land visible, a 5 lb lead is substituted for the log-ship; the lead rests on the bottom, and the speed is obtained in a manner similar to that previously described.
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  • Such a "ground-log" indicates the actual speed over the ground, and in addition, when the log-line is being hauled in, it will show the real course the ship is making over the ground.
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  • A Log Book is a marine or sea journal, containing, in the British navy, the speed, course, leeway, direction and force of the wind, state of the weather, and barometric and thermometric observations.
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  • It is reported to have hauled 40 or 50 passengers in 4 or 5 cars at a speed of 16-21 m.
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  • Collisions between trains and buffer-stops or vehicles standing against bufferstops: (a) From trains running into stations or sidings at too high a speed.
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  • If, however, cost within reasonable limits is a secondary consideration and the intention is to build a line adapted for express trains and for the carriage of the largest volume of traffic with speed and economy, he will lean towards the second.
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  • Sometimes, however, a sharp incline occurring on an otherwise easy line is not reckoned as the ruling gradient, trains heavier than could be drawn up it by a single engine being helped by an assistant or " bank " engine; sometimes also " momentum " or " velocity " grades, steeper than the ruling gradient, are permitted for short distances in cases where a train can approach at full speed and thus surmount them by the aid of its momentum.
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  • On some of the earlierEnglish main lines no curves were constructed of a less radius than a mile (80 chains), except at places where the speed was likely to be low, but in later practice the radius is sometimes reduced to 40 or 30 chains, even on high-speed passenger lines.
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  • The amount of superelevation required to prevent derailment at a curve can be calculated under perfect running conditions, given the radius of curvature, the weight of the vehicle, the height of the centre of gravity, the distance between the rails, and the speed; but great experience 1 See The Times Engineering Supplement (August 22, 1906), p. 265.
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  • In the system devised by Mr Louis Brennaxi the cars run on a single rail laid on the ground, their stability being maintained by a heavy gyrostat revolving at great speed in a vacuum.
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  • When water is required, a scoop is lowered into them from below the engine, and if the speed is sufficient the water is forced up it into the tender-tanks.
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  • The method of working is for the pole to be swung out behind a number of wagons; one engine is then started and with its pole pushes the wagons in front of it until their speed is sufficient to carry them over the points, where they are diverted into any desired siding.
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  • The indicated horse-power developed by a cylinder may always be ascertained from an indicator diagram and observations of the speed.
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  • Let p be the mean pressure in pounds per square inch, calculated from an indicator diagram taken from a particular cylinder when the speed of the crank-shaft is n revolutions per second.
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  • If, however, the speed is reduced to 15 m.
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  • Thus an engine working at maximum power may be used to haul a relatively light load at a high speed or a heavy load at a slow speed.
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  • It is usual to subtract these resistances from the observed pull, so as to obtain the draw-bar pull reduced to what it would be at a uniform speed on the level.
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  • This corrected pull is then divided by the weight of the vehicles hauled, in which must be included the weight of the dynamometer car, and the quotient gives the resistance per ton of load hauled at a certain uniform speed on a straight and level road.
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  • Hence Engine resistance, R e = 80 X20 = 1600 lb Vehicle resistance, R v =200 X8.5 = 1700 „ Train resistance, R = 3300 „ The speed, 40 m.
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  • This is the horse-power, therefore, which must be developed in the cylinders to maintain the train in motion at a uniform speed of 40 m.
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  • Therefore the horse-power which must be developed in the cylinders to effect this change of speed is from (21) H.P.280X2240X0 113X59 = _237 55 0 X 32 The rate of working is negative when the train is retarded; for instance, if the train had changed its speed from 41 to 40 m.
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  • The principal condition operating in the design of locomotives intended for local services with frequent stops is the degree of acceleration required, the aim of the designer being to produce an engine which shall be able to bring the train to its journey speed in the shortest time possible.
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  • For example, suppose it is required to start a train weighing 200 tons from rest and bring it to a speed of 30 m.
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  • (24) G g This expression may be used to find r„ when the total draw-bar pull is observed as well as the speed, the changes of speed and the gradient.
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  • The speed held to correspond with the resistance must be the mean speed during the change of speed.
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  • The best way of deducing r„ is to select portions of the dynamometer record where the speed is constant.
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  • Secondly, it must be able to maintain the train at a given speed against the total resistances of the level or up a gradient of given inclination.
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  • The form of the torque curve, or crank effort curve, as it is sometimes called, is discussed in the article Steam Engine, and the torque curve corresponding to actual indicator diagrams taken from an express passenger engine travelling at a speed of 65 m.
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  • If p is the mean pressure at any speed the total tractive force which the engine is exerting is given by equation (25) above.
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  • This high mean pressure cannot be maintained for long, because as the speed increases the demand for steam per unit of time increases, so that cut-off must take place earlier and earlier in the stroke, the limiting steady speed being attained when the rate at which steam is supplied to the cylinders is adjusted by the cut-off to be equal to the maximum rate at which the boiler can produce steam, which depends upon the maximum rate at which coal can be burnt per square foot of grate.
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  • Assuming that the train is required to run at a speed of 60 m.
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  • Thus although at a slow speed the engine can exert a tractive force of 18,600 lb, at 60 m.
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  • The expression for the indicated horse-power may be written I.H.P. =pay/550 (27) where v is the average piston speed in feet per second.
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  • For a stated value of the boiler pressure and the cut-off the mean pressure p is a function of the piston speed v.
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  • 164.) Substituting this value of p in (27) I.H.P. _ (c av (29) 550 the form of which indicates that there is a certain piston speed for which the I.H.P. is a maximum.
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  • In a particular case where the boiler pressure was maintained constant at 130 lb per square inch, and the cut-off was approximately 20% of the stroke, the values c =55 and b=o 031 were deduced, from which it will be found that the value of the piston speed corresponding to the maximum horsepower is 887 ft.
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  • Any modification of the design which will reduce the resistance to the flow of steam through the steam passages at high speeds will increase the piston speed for which the indicated horse-power is a maximum.
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  • When the four cranks are placed with two pairs at 180°, the pairs being at 90°, the forces are balanced without the introduction of a hammer-blow, but there remain large unbalanced couples, which if balanced by means of revolving weights in the wheels again reintroduce the hammerblow, and if left unbalanced tend to make the engine oscillate in a horizontal plane at high speed.
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  • Their boilers are of relatively large proportions for the train weight and average speed, and the driving wheels of small diameter, a large proportion of their total weight being " adhesive."
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  • It is necessary that the voltage of the current shall be constant whatever be the increase of the speed of the train, and therefore of the dynamo.
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  • In most of the systems that have been proposed this result is attained by electrical regulation; in one, however, a mechanical method is adopted, the dynamo being so' hung that it allows the driving belt to slip when the speed of the axle exceeds a certain limit, the armature thus being rotated at an approximately constant speed.
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  • The speed at which the journey has to be completed is obviously another important factor, though the increased power of modern locomotives permits trains to be heavier and at the same time to run as fast, and often faster, than was formerly possible, and in consequence the general tendency is towards increased weight as well as increased speed.
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  • An ordinary slow suburban train may weigh about loo tons exclusive of the engine, and may be timed at an inclusive speed, from the beginning to the end of its journey, as low as 12 or 15 m.
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  • The inclusive speed over a long journey is of course a different thing from the average running speed, on account of the time consumed in intermediate stops; the fewer the stops the more easily is the inclusive speed increased, - hence the advantage of the non-stop runs of 150 and zoo m.
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  • Over shorter distances still more rapid running is occasionally arranged, and in Great Britain, France and the United States there are instances of trains scheduled to maintain an average speed of 60 m.
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  • But isolated examples of high speeds do not give the traveller much information as to the train service at his disposal, for on the whole he is better off with a large number of trains all maintaining a good average of speed than with a service mostly consisting of poor trains, but leavened with one or two exceptionally fast ones.
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  • If both the number and the speed of the trains be taken into account, Great Britain is generally admitted still to remain well ahead of any other country.
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  • The weight and speed of goods trains vary enormously according to local conditions, but the following figures, which refer to traffic on the London & North-Western railway between London and Rugby, may be taken as representative of good English practice.
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  • Their speed must obviously depend greatly on topographical conditions.
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  • In the United States the Safety Appliance Act of 1893 also forbade the railways, after the 1st of January 1898, to run trains which did not contain a " sufficient number " of cars equipped with continuous brakes to enable the speed to be controlled from the engine.
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  • The distance between stations on intra-urban railways is governed by the density of local traffic and the speed desired to be maintained.
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  • On steam-worked lines the speed of trains is about i r to 15 m.
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  • Since high average speed on a line with frequent stops depends largely on rapidity of acceleration, the tendency in modern equipment is to secure as great an output of power as possible during the accelerating period, with corresponding increase in weight available for adhesion.
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  • On the lines actually authorized by the Board of Trade under the 1896 act the normal minimum radius of the curves has been fixed at about 600 ft.; when a still smaller radius has been necessary, the speed has been reduced to 10 m.
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  • Again, the speed has been restricted to 20 m.
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  • Curves of still smaller radius have entailed a maximum speed of io m.
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  • Again, if the speed is low and the trains infrequent, the signalling arrangements may be of a very simple and inexpensive kind, or even dispensed with altogether.
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  • The speed is limited to 30 kilometres (about 18 m.) in the country and 6 m.
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  • Wolves do not catch their prey by lying in ambush, or stealing up close and making a sudden spring, but by fairly running it down in open chase, which their speed and remarkable endurance enable them to do.
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  • From the sense of having full vigour, living or lively qualities or movements, the word, got its chief current meaning of possessing rapidity or speed of movement, mental or physical.
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  • The rotation of the planets on their axes is also explained as a consequence of the nebular theory, for at the time of the first formation of the planet it must have participated in the rotation of the whole nebula, and by the subsequent contraction of the planet the speed with which the rotation was performed must have been accelerated.
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  • Machiavelli taught him the need of speed, decision and unity of command, in war.
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  • From the earliest times, owing to its great strength, speed, and ferocity when at bay, the boar has been one of the favourite beasts of the chase.
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  • Some are nocturnal, some diurnal; some catch their prey by speed of foot, some by cunningly lying hid, some by means of silken nets.
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  • The nature of the integument and its hairy clothing in all spiders enables them to be plunged under water and withdrawn perfectly dry, and many species, even as large as the common English house-spider (Tegenaria), are so lightly built that they can run with speed over the surface of standing water, and this faculty has been perfected in genera like Pirata, Dolomedes and Triclaria, which are always found in the vicinity of lakes or on the edges of rivers and streams, readily taking to the water or running down the stems of water plants beneath its surface when pursued.
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  • Testing is begun when the temperature reaches 66° by slowly drawing the slide open and reclosing it, the speed being regulated by the swing of a pendulum supplied with the instrument.
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  • These currents vary in speed from 4 to so m.
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  • To do this the actual speed in the orbit, and in a yet higher degree the angular speed around F, must be greatest at pericentre, and continually diminish till the apocentre is reached.
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  • That is to an eye at F', the planet would seem to move around the sky with a nearly uniform speed.
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  • Instead of the period it is common in astronomical practice to use the mean angular speed, called the mean motion of the body.
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  • This is defined as the speed of revolution of the fictitious body already described, revolving with a uniform angular motion and the same periodic time as the planet.
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  • Hood's attack (battle of Peachtree Creek, July 20) was everywhere repulsed, and Schofield and McPherson closed up at the greatest speed.
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  • In the early periods of the history of other countries this seems to have been the case even where the dog was esteemed and valued, and had become the companion, the friend and the defender of man and his home; and in the and century of the Christian era Arrian wrote that "there is as much difference between a fair trial of speed in a good run, and ensnaring a poor animal without an effort, as between the secret piratical assaults of robbers at sea and the victorious naval engagements of the Athenians at Artemisium and at Salamis."
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  • The animal is thoroughly adapted for extreme speed, the long, rat-like tail being used in balancing the body in quick turns.
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  • The favourite colour is a uniform sandy, or pale grey tone, but characters directly related to capacity for speed have received most attention.
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  • The Italian greyhound is a miniature greyhound, still capable of considerable speed but so delicate that it is almost unable to pull down even a rabbit, and is kept simply as a pet.
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  • The modern English foxhound has been bred from the old northern and southern hounds, and is more lightly built, having been bred for speed and endurance.
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  • They run with considerable speed, notwithstanding the shortness of their legs.
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  • But the Prussians attacked at the old regulation speed of seventy-five paces to the minute, and the French manoeuvred at the quick or double of i 20 or 150.
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  • Issuing orders to Davout, Oudinot and his cavalry to concentrate with all speed towards Eckmuhl, he himself rode back along the Regensburg road and reached the battle-field just as the engagement between the advance troops had commenced.
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  • Travelling at the fullest speed, he reached the Tuileries on the 18th, after a journey of 312 hours.
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  • Experience soon showed that .when the needful allowance was made for the time required to bring them out of harbour (two tides) and for the influence which the Channel currents must have upon their speed, it would be extremely 'rash to rely on a calm of sufficient length.
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  • Hence the absolute velocities of the two ions can be determined, and we can calculate the actual speed with which a certain ion moves through a given liquid under the action of a given potential gradient or electromotive force.
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  • The effect of the field upon the speed of the revolving electrons, and therefore upon the moments of the equivalent magnets, is necessarily a very small one.
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  • The encouragement of polite literature was more especially the object of the Kisfaludy Society, founded in 1836.4 Polite literature had received a great impulse in the preceding period (1807-1830), but after the formation of the academy and the Kisfaludy society it advanced with accelerated speed towards the point attained by other nations.
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  • Events now followed each other with lightning speed.
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  • The Austrian cavalry, on weak and emaciated horses, could not gallop at speed up the heavy slopes (2 1 ?), and the artillery of both Prussian wings practically broke every attempt of the infantry to form for attack.
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  • It follows the new direction for about 20 m., but at Bingen it again turns to the north and begins a completely new stage of its career, entering a narrow valley in which the enclosing rocky hills abut so closely on the river as often barely to leave room for the road and railway on either bank; during this portion of its course the speed of the current at a normal state of the water exceeds 6 m.
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  • With their advantages of greater speed and carrying capacity over the horsed vehicles, their introduction was a most important development, though their working at first imposed a severe financial strain on many companies.
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  • The average speed is about 200 ft.
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  • Mine cars are sometimes run long distances, singly or in trains, over roads which are given sufficient grade to impart considerable speed by gravity, say from I to 21%.
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  • Their power is proportioned to requirements of load and maximum gradient; the speed is rarely more than 6 or 8 m.
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  • The speed due to the excess of weight on the loaded side is controlled by a brake on the drum.
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  • (For details see Hughes, Text-book of Coal Mining, pp. 236-272; Hildenbrand, Underground Haulage by Wire Rope.) Rope haulage is widely used in collieries, and sometimes in other mines having large lateral extent and heavy traffic. With the tail-rope system, cars are run in long trains at high speed, curves and branches are easily worked, and gradients may be steep, though undulating gradients are somewhat disadvantageous.
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  • In the endless-rope systems cars run singly or in short trains, curves are disadvantageous, unless of long radius, speed is relatively slow, and branch roads not so easily operated as with tail-rope.
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  • The hoisting speed is therefore slower, and as less engine power is required for a given load the cylinders.
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  • Even a large skip will hold but a few men, the speed is slower, and more time is required for the men to get into and out of the skip than to step on and off a cage.
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  • The speed is slow - from 4 to ro strokes per minute - but the larger sizes, up to 24 in.
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  • Typically they are steam pumps, the steam and water cylinders being set tandem on the same bed frame, generally without fly-wheel or other rotary parts; they may be single cylinder or duplex, simple, compound or triple expansion, and having a higher speed of stroke are smaller in all their parts than Cornish pumps.
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  • The increased mortality seems to be due to the general tendency toward forced speed in development work, which is secured by rapid drilling, and by an increase in the number of machine drills used in a single working-place.
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  • Numerically, the contending armies would at this very critical juncture of the campaign be almost equal, the invaders rather the stronger; but the Turks were much dispersed, so that the result almost hinged upon the speed with which the attacking side should gain ground before the defenders had time to concentrate.
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  • When Liman von Sanders (who had fixed his headquarters near Gallipoli) learned during the night of the 6th-7th that the Allies were landing in strong force about Suvla, and were also attacking Sari Bair from Anzac, and after he had satisfied himself that certain threats on the part of his opponents at other points might be regarded as mere feints, he ordered the two Turkish divisions under his immediate orders to proceed towards Suvla with all speed.
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  • These rolls run at a speed about 30% greater than the speed of the first mill, to which they deliver the canes well crushed and flattened, forming a close mat of pieces of cane 5 to 6 in.
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  • The amount and speed of movement of water by this means, and the distance to which it may be carried, depend largely upon the fineness of the particles composing the soil and the spaces left between each.
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  • Permeability is practically identical with the speed at which percolation takes place; through clay it is slow, but increases in rapidity through marls, loams, limestones, chalks, coarse gravels and fine sands, reaching a maximum in soil saturated with moisture.
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  • In a few exceptional cases abnormal speed has been indicated on good evidence.
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  • He spends his days chasing the beasts of the forest, running them down by sheer speed, or killing them with darts (javelots) or bow and arrows, the only weapons he knows.
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  • The average speed of passenger trains in Japan is 18 m.
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  • He first undertook a preliminary inquiry into the principles upon which flight depends, and established at Allegheny a huge "whirling table," the revolving arm of which could be driven by a steamengine at any circumferential speed up to 70 m.
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  • About 1893 a satisfactory machine was ready, and a new series of troubles had to be faced, for it had to be launched at a certain initial speed, and in the face of any wind that might be blowing.
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  • They are - normally hard and remain so, even at a faint red heat; much deeper cuts can therefore be taken at a high speed without blunting the tool.
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  • From the speed of this motor the number of commutations per second can be determined.
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  • It is hunted by the Arabs for its flesh and to test the speed of their horses and greyhounds; it is during these hunting parties that the young are captured for menagerie purposes.
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  • This distance was covered at the fullest extended speed of the horses, and reaching the infantry they swept over them "like hounds over a fence" - in the words of an eyewitness.
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  • It was hoped that the assembly of the attacking troops in the restricted zone opposite the crossing point, the rapid bridging of the dry canal, and the pushing forward of guns to cover the farther advance, and of reinforcements, ammunition and supplies to support it, could all be carried out with the necessary speed and security, although the difficulties to be faced were very great and the possible causes of contretemps numerous.
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  • When the rays of the sun or a candle, or dark radiation from a warm body, are incident on the vanes, the dark side of each vane is repelled more than the bright side, and thus the vanes are set into rotation with accelerated speed, which becomes uniform when the forces produced by the radiation are balanced by the friction of the pivot and of the residual air in the globe.
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  • The name radiometer arose from an idea that the final steady speed of rotation might be utilized as a rough measure of the intensity of the exciting radiation.
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  • Picking up on his way such reinforcements as were available, he marched southward with all speed behind the Vosges, and in the last stages of the movement he even split up his forces into many small bodies, that the enemy's spies might be misled.
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  • In the case of the first three ships the full sea-going speed is given.
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  • 30 he had sighted the lofty ranges of the Andes, and the " Prinz Eitel Friedrich," an armed merchantman, had been sent into Valparaiso to coal, while the squadron cruised at slow speed out of sight of the port.
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  • 65 W., closing at full speed on the " Good Hope," and the whole line began to close rapidly on the flagship. The " Canopus " was 300 m.
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  • The " Otranto " asked if she was to keep out of range, and not getting a clear reply drew out of line on the " Glasgow's " starboard quarter, a potent reminder that a ship that has no guns to fight and no speed to run away is a delusion and a snare.
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  • Elkin found that the chief drawbacks to speed and convenience in working this heliometer were: (I) The loss of time involved in entering the corresponding readings of the micrometer pointings on two scales.
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  • The transmission spindle, just mentioned, carries at its end a head, 74, which, if turned directly, gives the second speed.
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  • The slowest speed is given by means of a tangent screw which is carried by a ball-bearing on the flange of the telescope sleeve, whilst its nut is double-jointed to a ring that encircles the flange of the heliometer-tube.
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  • Finally the hand-wheel 80 is connected by gearing to the rod carrying the hand-wheel 79, and it can thus be used to give the latter a more rapid motion than if used direct; this constitutes the third speed of movement.
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  • In deep water the closing mechanism is usually actuated by a screw propeller which begins to work when the line is being hauled in and can be set so as to close the waterbottle in a very few fathoms. A small but heavy water-bottle has been devised by Martin Knudsen, provided with a pressure gauge or bathometer, by which samples may be collected from any moderate depth down to about roc fathoms, on board a vessel going at full speed.
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  • Shafts, on the other hand, may be made of almost any capacity, owing to the high speed in drawing which is attainable with proper mechanism, and allow of the use of more perfect arrangements at the surface than can usually be adopted at the mouth of a level on a hill-side.
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  • At a working speed of 60 yds.
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  • The whole operation requires from 8 to io minutes, giving a cutting speed of 120 to 150 sq.
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  • This method, which is the oldest, is best adapted for ways that are nearly level, or when many branches are intended to be worked from one engine, and can be carried round curves of small radius without deranging the trains; but as it is intermittent in action, considerable engine-power is required in order to get up the required speed, which is from 8 to ro m.
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  • The tubs are placed on at intervals of about 20 yds., the chain moving continuously at a speed of from 21 to 4 m.
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  • They were formerly used on a very large scale in Belgium and South Wales, but the great weight of the moving parts makes it impossible to drive them at the high speed called for by modern requirements, so that centrifugal fans are now generally adopted instead.
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  • By the adoption of more refined methods of construction, especially in the shape of the intake and discharge passages for the air and the forms of the fan blades, the efficiency of the ventilating fan has been greatly increased so that the dimensions can be much reduced and a higher rate of speed adopted.
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  • With proper precautions, however, wire guides are perfectly safe for use at the highest travelling speed.
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  • For flat ropes the drum or bobbin consists of a solid disk, of the width of the rope fixed upon the shaft, with numerous parallel pairs of arms or horns, arranged radially on both sides, the space between being just sufficient to allow the rope to enter and coil regularly upon the preceding lap. This method has the advantage of equalizing the work of the engine throughout the journey, for when the load is greatest, with the full cage at the bottom and the whole length of rope out, the duty required in the first revolution of the engine is measured by the length of the smallest circumference; while the assistance derived from gravitating action of the descending cage in the same period is equal to the weight of the falling mass through a height corresponding to the length of the largest lap, and so on, the speed being increased as the weight diminishes, and vice versa.
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  • Motion is obtained from a continuous-current generator driven by an alternating motor with a very heavy fly-wheel, a combination known as the Ilgner transformer, which runs continuously with a constant draught on the generating station, the extremely variable demand of the winding engine during the acceleration period being met by the energy stored in the fly-wheel, which runs at a very high speed.
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  • Three principal patterns, those of King, Ormerod and Walker, are in use, and they are generally efficient supposing the speed of the cage at arrival is not excessive.
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  • Maximum speed controllers in connexion with the winding indicator, which do not allow the engine to exceed a fixed rate of speed, are also used in some cases, with recording indicators.
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  • When these are held from turning, their frictional resistance may be adjusted by means of nuts on the screwed bolts which hold them together until the shaft revolves at a given speed.
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  • The general theory of this kind of brake is as follows: - Let F be the whole frictional resistance, r the common radius of the rubbing surfaces, W the force which holds the brake from turning and whose line of action is at a perpendicular distance R from the axis of the shaft, N the revolutions of the shaft per minute, co its angular velocity in radians per second; then, assuming that the adjustments are made so that the engine runs steadily at a uniform speed, and that the brake is held still, clear of the stops and without oscillation, by W, the torque T exerted by the engine is equal to the frictional torque Fr acting at the brake surfaces, and this is measured by the statical moment of the weight W about the axis of revolution; that is T =Fr=WR...
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  • In this way the brake may be arranged to maintain a constant torque, notwithstanding variation of the speed.
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  • He certainly became the acknowledged authority on the subject, and developed a power and speed of memory which seemed miraculous, even to his contemporaries.
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  • Before 1840 a ship of 500 tons was a large ship, but after the discovery of gold in California the size of vessels increased rapidly and their lines were more and more adapted to speed.
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  • The limit of size was reached in an immense clipper of 4555 tons, and the greatest speed was attained in a passage from San Francisco to Boston in seventy-five days, and from San Francisco to Cork in ninety-three days.
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  • This suspension is then run through a conical mill in order td remove all grit, the cones of the mill fitting so tightly that water cannot pass through unless the mill is running; the speed of the mill when working is about 3000 revolutions per minute.
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  • The fore-sight was a small globe, and in the original patterns this was placed on a movable leaf on which deflection for speed of one's own ship was given, while deflection for speed of enemy's ship and wind were given on the tangent sight.
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  • In subsequent patterns all the deflection was given on the tangent sight, which was provided with two scales, the upper one graduated in knots for speed of ship, and the lower one in degrees.
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  • Algol, in fact, travels at the rate of 26.3 miles a second round the centre of gravity of the system which it forms with an invisible companion, while the two together approach the sun with an unvarying speed of 2.3 miles per second.
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  • Yet on occasion, as when performing its migrations, or even its almost daily transits from one feeding-ground to another, and still more when being pursued by a falcon, the speed with which it moves through the air is very considerable.
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  • The consequence is that the compression travels rather faster, and the extension rather slower, than at the speed found above.
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  • It is set so that it can be turned at any desired and determined speed about a horizontal axis, and when going fast enough it appears grey.
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  • The method is easily adapted for the converse determination of speed of revolution when the frequency of a fork is known.
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  • Since the velocity is the same for all disturbances they all travel at the same speed, and the two trains will always remain of the same form.
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  • But, if quite regular disturbances are impressed on the jet at intervals of time which depend on the diameter and speed of outflow (they must be somewhat more than ?r times its diameter apart), these disturbances go on growing and break the stream up into equal drops, which all move with the same velocity one after the other.
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  • Togo, concentrating his fire on each ship in succession, and seeking by superior speed to head off the Russians, now inclined towards the S.E., and the Russians conformed.
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  • The Russian cruisers kept on the right of their battleships, while the Japanese, very superior in speed, ran S., S.E.'
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  • These have a speed reduction from armature shaft to bridge column of 1500 to I, through four intermediate spur gears and a worm gear.
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  • But if a load is so applied that the deflection increases with speed, the stress is greater than that due to a very gradually applied load, and vibrations about a mean position are set up. The rails not being absolutely straight and smooth, centrifugal and lurching actions occur which alter the distribution of the loading.
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  • (5) Speed of train produces no effect on the mean deflection, but only on the magnitude of the vibrations.
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  • The mass of mercury is thus set in motion owing to the tendency of a conductor conveying an electric current to move transversely across lines of magnetic force; it becomes in fact the armature of a simple form of dynamo, and rotates with a speed which increases with the strength of the current.
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  • Hence when a current is passed through the meter, the armature rotates and increases its speed until the driving force is balanced against the retarding force due to the eddy currents in the copper brake disk.
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  • The Perches ridge, whence the town and suburbs could be bombarded, he fortified with all possible speed.
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  • His subjects were ordered to worship him under the name of Zeus; he built a bridge of brass, over which he drove at full speed in his chariot to imitate thunder, the effect being heightened by dried skins and caldrons trailing behind, while torches were thrown into the air to represent lightning.
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  • Mississippi river steamers were armed with heavy guns and protected by armour, boiler-plates, cotton bales, &c., and some fast cruisers were constructed for ocean work, one of them actually reaching the high speed of 17.75 m.
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  • The thoroughbred Kentucky horse has long had a world-wide reputation for speed; and the Blue Grass Region, especially Fayette, Bourbon and Woodford counties, is probably the finest horse-breeding region in America and has large breeding farms. In Fayette county, in 1900, the average value of colts between the ages of one and two years was $377.78.
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  • The work was pressed forward with all speed, for, as Coverdale writes to Cromwell, they were " dayly threatened " and ever feared " to be spoken withall."
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  • In grass countries, where "flying fences" are found, the rate of speed must of necessity be quicker than when about to take a Devonshire bank of some 7 ft.
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  • In jumping an ordinary hedge or ditch at moderate speed, there is of course a moment of time during which the horse is on his hind legs, and in theory the rider should then lean forward, but, in practice, this position is so momentary, and the lash out of the hind legs in the spring is so powerful, that it is best not to lean forward at all, because of the difficulty, if not impossibility, of getting back in time for the reverse movement, when the rider should be preparing to render the horse some assistance with the bridle as his feet touch the ground.
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  • If the hounds jump at the brook, even though they fail to clear it, the rider may take it for granted that at that place the leap is within the capacity of any ordinary hunter in his stride; hence if, when going at three parts speed, a horse's feet come just right to take off, the mere momentum of his body would take him over a place 15 ft.
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  • The same ability to adapt himself to circumstances must be possessed by the steeple-chase jockey, who should possess fine hands to enable him to handle his horse while going at his fences at three-quarter speed.
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  • This appointment was inaugurated by two events, - a course of eight lectures on sound, which proved no success and was not repeated, and the determination by means of a revolving mirror of the speed of electric discharge in conductors, a piece of work leading to enormously important results.
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  • In the Hephaesteia (the particular festival of the god) there was a torch race, a ceremonial not indeed confined to fire-gods like Hephaestus and Prometheus, but probably in its origin connected with them, whether its object was to purify and quicken the land, or (according to another theory) to transmit a new fire with all possible speed to places where the fire was polluted.
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  • The employment of so many weights renders the instrument ill-adapted for practical work where speed is an object.
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  • In the latter case its great speed, and the cunning endeavours it makes to outwit its canine pursuers, form the chief attractions of coursing.
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  • As the drum revolves at a good speed, the silk is drawn by the steel teeth through the porcupines into the drum in more or less straight and parallel fibres.
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  • He was prepared to fight another battle on the morrow - indeed he could scarcely have avoided it had he wished to do so, for behind him lay the mountain defiles, towards which Vandamme was marching with all speed.
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  • The method of superposition of two motions may be illustrated by such examples as that of a body dropped from the mast of a ship moving at uniform speed.
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  • When kindled by his subject it seemed to take possession of him and pour itself out with overwhelming speed of utterance, with heat and power.
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  • To facilitate this mechanical lifting, gear is provided which is readily controlled, and can raise or lower the periscope at a speed approaching 25 ft.
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  • Carpenter increased to full speed and approached it at an angle of 45°.
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  • Bonham Carter went full speed ahead with the starboard engine and full speed astern with the port to turn her round.
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  • As a substitute for Solenhofen stone it is used in a modified form of lithography, which can be performed on rotary printingmachines at a high speed.
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  • The carriage itself had been lost long before; but we know that about the year 1600 Stevinus, with Prince Maurice of Orange and twenty-six others, made use of it on the seashore between Scheveningen and Petten, that it was propelled solely by the force of the wind, and that it acquired a speed which exceeded that of horses.
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  • Apobates was the name given to the companion of the charioteer, who showed his skill by leaping out of the chariot and up again while the horses were going at full speed.
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  • With secrecy and speed communications were entered into with the known leaders of the Highland clans, and on the 19th of August, in the valley of Glenfinnan, the standard of James III.
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  • He embarked with speed and sailed for France, reaching the little port of Roscoff, near Morlaix, on the 29th of September 1746.
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  • These include the austenitic or gamma non-magnetic manganese steel, already patented b y Robert Hadfield in 1883, the first important known substance which combined great malleableness with great hardness, and the martensitic or beta " high speed tool steel " of White and Taylor, which retains its hardness and cutting power even at a red heat.
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  • Hence a machinist can cut steel or iron nearly six times as fast with a lathe tool of this steel as with one of carbon steel, because with the latter the cutting speed must be so slow that the cutting tool is not heated by the friction above say 250° C. (482° F.), lest it be unduly softened or " tempered " (§ 29).
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  • Probably the most successful one has been a rotary engine invented by Mr Arthur Rigg.1 In this engine the stroke, and therefore the amount of water used, can be varied either by hand or by a governor while it is running; the speed can also be varied, very high rates, as much as 600 revolutions a minute, being attainable without the question of shock or vibration becoming troublesome.
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  • The gate regulates the speed of the wheel by varying the quantity of water; when fully open it merely forms a continuation of the guide passages, and thus offers no obstruction to the flow of the water, but by giving it a movement through a part of a revolution the passages are partly blocked and the flow of the water is checked.
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  • It has been found that the " carbons " in drills can safely be subjected to a pressure of over 60 kilograms per square millimetre, and a speed of 25 metres per second.
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  • Occasionally he trots, when his speed is not inconsiderable.
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  • Travelling with what speed he could in the depths of a severe winter and under the effects of a recent (second) illness, he managed to reach London, where, sending in his submission to the council of state, he was allowed to subside into private life.
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  • Romance was no more, although there was extreme competition in building steamers with great power and speed to land their cargoes rapidly by the new route.
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  • In a speed at Konigsberg in November 1894, he summoned the nobles ci Prussia to support him in the struggle for religion, for morality for order, against the parties of Umsturz, or Revolution, and shortly afterwards an amendment of the Criminal Code, commonly called the Umsturz- Vorlage, was introduced, Vmsturz.
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  • Berengaria sent for her son with such speed that her messenger reached Leon before the news of the death of the king of Castile, and when he came to her she renounced the crown in his favour.
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  • Mechanism is provided whereby the speed of the paper is doubled on receipt of a shock, an electric bell ringing at the same time to summon an attendant.
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  • We find that if the series of excitations of the muscle be prolonged beyond the short stage of initial improvement, the contractions, after being well maintained for a time, later decline in force and speed, and ultimately dwindle even to vanishing point.
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  • Exner first showed, many years ago, that the nerve impulse travels through the spinal ganglion at the same speed as along the other parts of the nerve trunk - that is, that it suffers no delay in transit through the perikarya of the afferent rootneurons.
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  • The instructions given to them by the emperor were as follows: - they were to procure and peruse all the writings of all the authorized jurists (those who had enjoyed the jus respondendi); were to extract from these writings whatever was of most permanent and substantial value, with power to change the expressions of the author wherever conciseness or clearness would be thereby promoted, or wherever such a change was needed in order to adapt his language to the condition of the law as it stood in Justinian's time; were to avoid repetitions and contradictions by giving only one statement of the law upon each point; were to insert nothing at variance with any provision contained in the Codex constitutionum; and were to distribute the results of their labours into fifty books, subdividing each book into titles, and following generally the order of the Perpetual Edict.2 These directions were carried out with a speed which is surprising when we remember not only that the work was interrupted by the terrible insurrection which broke out in Constantinople in January 532, and which led to the temporary retirement from office of Tribonian, but also that the mass of literature which had to be read through consisted of no less than two thousand treatises, comprising three millions of sentences.
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  • The breeding of cobs and ponies comes next in importance, and thirdly that of cattle, now mostly Herefords, though Speed mentions a native breed, long since extinct, all white with red ears.
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  • The sportsman appears, occasionally at least, in the later periods, to have gone to cover in his chariot or on horseback; according to Wilkinson, when the dogs threw off in a level plain of great extent, it was even usual for him "to remain in his chariot, and, urging his horses to their full speed, endeavour to turn or intercept them as they doubled, discharging a well-directed arrow whenever they came within its range."
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  • Often, however, when a hound is five or six years old he begins to lack speed.
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  • A signal proof of its vitality was given in 1838 by the speed and ease with which it recovered from a disastrous inundation that destroyed 3000 houses.
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  • A sheet of metal set revolving at a high speed in a lathe is bent over into cup-shaped forms, with numerous mouldings, by a blunt hardened tool.
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  • There are greyhounds also, but inferior in speed to second-rate English dogs.
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  • The speed with which it bounds upon its prey, when loosed from the cart, exceeds the swiftness of any other mammal.
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  • The wild ass (Equus hemionus) is confined to the sandy deserts of Sind and Cutch, where, from its speed and timidity, Wild ass.
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  • Constant communication between the capital and remote cities was maintained by a system of foot-runners, whose aggregate speed is said to have surpassed that of a horse.
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  • Sable antelope are among the handsomest of South African antelopes, and are endowed with great speed and staying power.
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  • In 1917, speed of transport of material becoming extremely urgent, it was decided to establish a train-ferry service; it came into operation at the end of that year, and the hoisting of cargoes by cranes into barges was largely superseded.
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  • The Admission Of Water At 0° C. To The Brake Was Controlled By Hand In Such A Manner As To Keep The Outflow Nearly At The Boiling Point, The Quantity Of Water In The Brake Required To Produce A Constant Torque Being Regulated Automatically, As The Speed Varied, By A Valve Worked By The Lifting Of The Weighted Lever Attached To The Brake.
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  • This Variation May Have Been Due To The State Of The Lagging, Which Moorby Distrusted In Spite Of The Great Reduction Of The Heat Loss, Or It May Have Been Partly Due To The Difficulty Of Regulating The Speed Of The Engine And The Watersupply To The Brake In Such A Manner As To Maintain A Constant Temperature In The Outflow, And Avoid Variations In The Heat Capacity Of The Brake.
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  • Since Hand Regulation Is Necessarily Discontinuous, The Speed And The Temperature Were Constantly Varying, So That It Was Useless To Take Readings Nearer Than The Tenth Of A Degree.
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  • It Would Have Been Desirable, If Possible, To Have Tried The Effect Of A Larger Range Of Variation In The Experimental Conditions Of Load And Speed, With A View To Detect The Existence Of Constant Errors; But Owing To The Limitations Imposed By The Use Of A Steam Engine, And The Difficulty Of Securing Steady Conditions Of Running, This Proved To Be Impossible.
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  • When the parallax of a star is known, we are able to infer from its proper motion its actual linear speed in miles per hour, in so far as the motion is transverse to the line of sight.
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  • Frost have deduced that the average speed is only 8 m.
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  • The part of the star's apparent Speed displacement, which is due to the solar motion, is gener the Solar ally called the parallactic motion; the rest of its motion.
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  • To arrive at some estimate of the speed of the solar motion, we may consider the motions of those stars whose parallaxes have been measured, and whose actual linear speed is accordingly known (disregarding motion in the line of sight).
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  • A better method is to derive the speed from the radial motions observed with the spectroscope.
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  • The speed is very nearly four radii of the earth's orbit per year; thus the annual parallactic motion is equal to four times the parallax, for a star lying in a direction 90° from the solar apex; for stars nearer the apex or antapex it is foreshortened.
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  • The velocities of the drifts differ considerably, the one whose apex is in Ophiuchus having about 1 2 times the speed of the other.
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  • The fighting which took place after the first week in July was all directed to masking his intention to attack with all speed upon the .Isonzo.
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  • The recording surface is a sheet of photographic paper wrapped round a drum which is rotated at a constant speed by clockwork about a horizontal axis.
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  • The attack from Tolmino was carried out with skill, speed and resolution, and by a capital error which has never been satisfactorily explained the Italian guns remained silent until too late.
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  • These velocity ratios are known by the construction of the mechanism, and are independent of the absolute speed.
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  • But if the effort and the resistance be alternately in excess, the uniformity of speed may still be preserved by so adjusting some moving weight in the mechanism that when the effort is in excess it may be lifted, and so balance and employ the excess of effort, and that when the resistance is in excess it may fall, and so balance and overcome the excess of resistancethus storing the periodical excess of energy and restoring that energy to perform the periodical excess of work.
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  • If there is the slightest displacement of the centre o gravity of the system from the axis of revolution a force acts on th shaft tending to deflect it, and varies as the deflexion and as th square of the speed.
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  • The corresponding value of a, namely ~ gc/w, is called the critical velocity of the shaft, and is the speed at which the shaft ceases to rotate stably and at which centrifugal whirling begins.
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  • The interesting and important part of the investigation is that a number of experiments were made on small shafts arranged in different ways and loaded in different ways, and the speed at which whirling actually occurred was compared with the speed calculated from formulae of the general type indicated above.
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  • C a A revolving pendulum is an essential part of most of the contrivances called governors, for regulating the speed of prime movers, for further particulars of which see STEAM
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  • When a machine is being started from a state of rest, and brought by degrees up to its proper speed, the effort must be in excess; when it is being retarded for the purpose of stopping it, the resistance must be in excess.
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  • When a machine undergoes alternate acceleration and retardation, so that at certain instants of time, occurring at the end of intervals called periods or cycles, it returns to its original speed, then in each of those periods or cycles the alternate excesses of energy and of work neutralize each other; and at the end of each cycle the principle of the equality of energy and work stated in 87, with all, its consequences, is verified exactly as in the case of machines of uniform speed.
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  • Energy Stored and Restored by Deviations of Velocity.Thus a body alternately accelerated and retarded, so as to be brought back to its original speed, performs work during its retardation exactly equal in amount to the energy exerted upon it during its acceleration; so that that energy may be considered as stored during the acceleration, and restored during the retardation, in a manner analogous to the operation of a reciprocating force (~ 108).
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  • Principle of the Conservation of Energy in Machines.The following principle, expressing the general law of the action of machines with a velocity uniform or varying, includes the law of the equality of energy and work stated in 89 for machines of uniform speed.
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  • With a success and speed that contemporary writers deemed miraculous, Owen stirred up his countrymen against the king, and by their aid succeeded in destroying castle after castle, and burning town after town throughout the whole length and breadth of the land between the years 1401 and 1406.
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  • With the accession of Elizabeth a novel and vigorous ecclesiastical policy on truly national lines was now inaugurated in Wales itself, chiefly through the instrumentality of Richard Davies, nominated bishop of St Asaph in 1559 and translated thence to St Davids in 1561, who was mainly responsible for the act of parliament of 1563, commanding the bishops of St Davids, Llandaff, Bangor, St Asaph and Hereford to prepare with all speed for public use Welsh translations of the Scriptures and the Book of Common Prayer.
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  • The cylinder press is able to produce generally quite as good work as the double platen, its speed is much greater, and it requires a smaller amount of power to drive it.
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  • The column rules were made tapering towards the feet of the type, and the type was securely locked in on these beds so that it could be held firmly in the required position to form a complete circle, thus allowing the cylinder to revolve at a greater speed than Applegath's, which was polygonal.
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  • The sheet is laid to its mark and is conveyed round an entry drum; thence it is carried round the first impression cylinder, and under this, moving at the same speed as the cylinder, is the type bed containing the inner of broad tapes which lie on the laying-on board and are fastened to a small drum underneath it.
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  • Its speed is greater than the stop cylinder (it may be geared to produce from 1500 to Two copies per hour, printed one side only).
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  • This cylinder, which has a high surface speed, carries part of the fibre towards the workers and strippers; the surface speed of the workers being much slower than that of the cylinder.
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  • The pins of the stripper and cylinder point in the same direction, but since the surface speed of the cylinder is much greater than the surface speed of the stripper, it follows that the fibre is combed between the two, and that part is carried forward by the cylinder to be reworked.
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  • The ratio of the surface speeds of the drawing roller and the feed roller is termed the draft: surface speed of drawing roller _ draft.
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  • It works in conjunction with the disk and scroll, the cones, or the expanding pulley, to impart an intermittingly variable speed to the bobbin (each layer of the bobbin has its own particular speed which is constant for the full traverse, but each change of direction of the builder is accompanied by a quick change of speed to the bobbin).
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  • Each layer of rove increases the diameter of the material on the bobbin shank; hence, at the beginning of each layer, the speed of the bobbin must be increased, and kept at this increased speed for the whole traverse from top to bottom or vice versa.
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  • It is easy to see from the above expression that if the bobbin were the "leader" its speed would have to decrease as it filled.
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  • The builder, which receives its motion from the disk and scroll, from the cones, or from the expanding pulley, has also an intermittingly variable speed.
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  • It begins at a maximum speed when the bobbin is empty, is constant for each layer, but decreases as the bobbin fills.
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  • To provide against the intended action of the first, Zaki detached his nephew, Ali Murad, at the head of his best troops to proceed with all speed to the north; and, as to the second, the seizure of such families of Sadiks followers as were then within the walls of the town, and other violent measures, struck such dismay into the hearts of the besieging soldiers that they dispersed and abandoned their leader to his fate.
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  • In January 1812 he placed on the Clyde a steamboat (which he named the "Comet") of about 25 tons, propelled by an engine of three horse power, at a speed of 7 m.
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  • High tension in the arteries is often associated with sleeplessness, the pressure of blood being such that the circulation in the brain is constantly maintained at a high rate of speed and the brain is unable to obtain rest.
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  • High prices of materials and of haulage and freight rates added difficulty to the task of rebuilding, which was accomplished with remarkable energy and speed.
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  • Immediately surrounding the drop there is a film moving outwards at a high speed, and this carries away almost instantaneously any dust that may fall upon it.
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  • The pursuit of the French was ineffective, for Tourville persisted in keeping his ships in line of battle, which forced them to regulate their speed by the slowest among them.
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  • As, moreover, the wings travel at a much higher speed than any wind that blows, they are superior to and control the wind; they enable the insect to dart through the wind in whatever direction it pleases.
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  • It consists of a smoked cylinder revolving by means of clockwork at a known speed, and a style or pen which inscribes its surface by scratching or brushing away the lampblack.
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  • The wing to act efficiently must be driven at a certain speed, and in such a manner that the down and up strokes shall glide into each other.
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  • The air must be seized and let go in a certain order and at a certain speed to extract a maximum recoil.
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  • The rapidity of the wing movements is regulated by the size of the wing, small wings being driven at a very much higher speed than larger ones.
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  • Quick as are the vibrations of natural wings, the speed of certain parts of the wing is amazingly increased.
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  • As a consequence, a comparatively slow and very limited movement at the root confers great range and immense speed at the tip, the speed of each portion of the wing increasing as the root of the wing is receded from.
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  • One naturally inquires why the high speed of wings, and why the progressive increase of speed at their tips and posterior margins?
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  • If the wings were not driven at a high speed, and if they were not eccentrics made to revolve upon two separate axes, they would of necessity be large cumbrous structures; but large heavy wings would be difficult to work, and what is worse, they would (if too large), instead of controlling the air, be controlled by it, and so cease to be flying organs.
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  • If, however, the speed be greatly accelerated, d, ??
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  • 25 shows how different portions of the wing travel at different degrees of speed.
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  • While, therefore, there is apparently no correspondence between the area of the wing and the animal to be raised, there is, except in the case of sailing insects, birds and bats, an unvarying relation as to the weight and number of oscillations; so that the problem of flight would seem to resolve itself into one of weight, power, velocity and small surfaces, versus buoyancy, debility, diminished speed and extensive surfaces - weight in either case being a sine qua non.
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  • In such cases the speed with which the wings are driven is increased in the direct ratio of the mutilation.
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  • The flexibility and elasticity of the kite formed by the natural wing are rendered necessary by the fact that the wing, as already stated, is practically hinged at its root and along its anterior margin, an arrangement which necessitates its several parts travelling at different degrees of speed, in proportion as they are removed from the axes of rotation.
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  • These surfaces may be conferred on artificial wings, aeroplanes, aerial screws or similar structures; and these structures, if we may judge from what we find in nature, should be of moderate size and elastic. The power of the flying organs will be increased if they are driven at a comparatively high speed, and particularly if they are made to reverse and reciprocate, as in this case they will practically create the currents upon which they are destined to rise and advance.
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  • They should be small when the speed is high, and vice versa.
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  • When the screw is made to rotate, the blades, because of their elasticity, assume a great variety of angles, the angles being least where the speed of the blades is greatest and vice versa.
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  • They offer little resistance to the air when they are at rest, and when in motion the speed with which they are driven is such as to ensure that the comparatively large spaces through which they travel shall practically be converted into solid bases of support.
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  • It flies this distance in from io to II seconds, its mean speed being something like 12 ft.
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  • The sustaining of the whole, therefore, depended upon the speed at which it travelled through the air, and the angle at which its under surface impinged on the air in its front....
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  • The model was forced by its propellers along a wire at a great speed, but so far as an observer could determine, failed to lift itself, notwithstanding its extreme lightness and the comparatively very great power employed.
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  • In later art they approach the model of Artemis, wearing a thin dress, girt high for speed; while on the later painted vases their dress is often peculiarly Persian - that is, close-fitting trousers and a high cap called the kidaris.
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  • The measurement of the speed with which the individual stars are moving towards or from our system is a work of such magnitude that what has yet been done is scarcely more than a beginning.
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  • The interval required between these two epochs depends upon the speed of the motion.
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  • The result of the integration is that the co-ordinates x and y and their derivatives as to the time, which express the position, direction of motion and speed of the planet at any moment, are found as functions of the four constants and of the time.
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  • Logically these data completely determine the orbit in which the planet shall move, because there is only one such orbit passing through P, a; planet moving in which would have the given speed.
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  • (3) Whewell's theorem: if a point R be taken at a distance from the sun equal to the major axis of the orbit of a planet and, therefore, at double the mean distance of the planet, the speed of the latter at any point is equal to the speed which a body would acquire by falling from the point R to the actual position of the planet.
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  • The speed of the latter may, therefore, be expressed as a function of its radius vector at the moment and of the major axis of its orbit without introducing any other elements into the expression.
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  • We have shown that, when the position of a planet and the direction and speed of its motion at a certain instant are given, the elements of the orbit can be determined.
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  • Now, consider the values of these same variables expressing the position of the planet at a second point Q, and the speed with which it passes that point.
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  • The speed with which our system progresses is, on the other hand, fairly well known.
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  • He employed it, with an outcome of striking promise, to measure the radial speed of some of the brighter stars.
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  • Achilles, on the supposition that his speed is ten times that of the tortoise, must traverse an infinite number of spaces - 1000 ft., loo ft., to ft., &c. - and the tortoise must traverse an infinite number of spaces - loo ft., to ft., I ft., &c. - before they reach the point, distant from their starting-points III I y ft.
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  • (8) Two bodies moving with equal speed traverse equal spaces in equal time.
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  • But, when two bodies move with equal speed in opposite directions, the one passes the other in half the time in which it passes it when at rest.
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  • They carry the head and neck low and the hind-quarters high, their action in running being peculiar and not elegant, somewhat resembling the pace of a sheep. Though with no power of sustained speed or extensive leaping, they are remarkable fOr flexibility of body and facility of creeping through tangled underwood.
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  • All are fleet, and traverse rough ground with speed.
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  • James was a thorough sportsman, and his taste for racing, in which he freely indulged, caused him to think but little of the speed of even the best English horses.
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  • The thoroughbred is apt to be nervous and excitable, and impatient of common work, but its speed, resolution and endurance, as tested on the race-course, are beyond praise.
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  • Stokes, and which were published in the Proceedings of the Royal Society for 1855, that he discussed the mathematical theory of signalling through submarine cables, and enunciated the conclusion that in long cables the retardation due to capacity must render the speed of signalling inversely proportional to the square of the cable's length.
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  • This cylinder is driven at a slightly lower speed than that of synchronism.
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  • When Dean didn't answer, she continued, professionally, but with a hint of sarcasm, sing-songing a rehearsed litany—present your driver's license and registration and something about exceeding a fifty-mile-an-hour speed limit.
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  • It took most of the morning, his thermos, and Jake's pot of coffee to bring the retiring sheriff up to speed.
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  • She closed her eyes, dizzy, then stared at the computer screen, watching her speed increase as her altitude decreased.
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  • By the time he chose a car and waited at endless sets of lights, it would have taken longer to drive than using vampire speed.
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  • Sarah tilted her head for a second, gasped, and then used vampire speed to reach him.
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  • Only when he reached Gabe did he return to his Immortal form.  The death-dealer's clothing was tattered from demon strikes, his body smelling of blood sure to incense the creatures he fought.  Despite this, the assassin's speed and strikes didn't falter.  Each was sure and powerful.  Rhyn maneuvered until his back was to Gabe's, and he reached back to snatch the knife Gabe kept strapped to one thigh.  While Gabe showed no sign of slowing, Rhyn could feel the wound Kris inflicted slowing his movements.  At least Kris hadn't stabbed him with the enforcer dagger, or Rhyn would be dead.
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  • The bicycle built up speed and Dean was aware that only one square inch of brake pad separated him from oblivion.
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  • The world appeared in slow motion around her, the demon's magic making her move with speed she never imagined possible.
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  • All drivers must adhere to speed limits.
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  • The simile in the next line serves to emphasize the speed of the fall.
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  • Citroen says that this gives it a 0-60mph acceleration time of just over six seconds and a top speed in excess of 155mph.
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  • The Department operates two accelerators, causing charged atoms (ions) to reach 10% of the speed of light.
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  • Your speed is monitored using a trainer mounted accelerometer (Foot Pod) that wirelessly transmits your speed.
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  • Adam Gordon - Tuesday 16 May, 2006 I was very impressed with the speed of delivery and the value you offer.
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  • A Feasibility Study into the development of intelligent speed adaption devices for motorcycles is needed.
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  • New speed manual cuts add-on personal darker than the have helped to.
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  • I see no evidence of an increase in strict adherence to speed limits on the roads.
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  • He is responsible for technical advice on high speed aerodynamics and propulsion to MoD.
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  • Four speed constant speed airscrew Accommodation: Enclosed cockpit over wings Armament: Four 20 mm British Hispano cannon completely buried in the wings.
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  • It was capable of reducing its speed on landing to 59 mph enabling it to land on short airstrips.
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  • The speed at which progress in this field is being made is quite alarming.
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  • Of course if you are over the speed limit you will get a full audible alert including voice warnings.
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  • The nature of Ephedrine assures that the overall effects are markedly different from those associated with Speed and other abused amphetamines such as Ecstacy.
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  • See Hints for Searching for how you can use this to speed up your searches for really long anagrams.
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  • We measured the wind speed using an anemometer - see how we made our own here.
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  • More rapid changes in wind speed may be measured using a ` hot wire anemometer ' .
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  • Most weather stations measure wind speed using a spinning cup anemometer, which rotates depending on the wind.
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  • Mean velocity measurements were taken by using a precision constant temperature linearized hot-wire anemometer designed for low speed water flows.
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  • The figure used for c is somewhat arbitrary - selected to indicate a ` realistic ' boat speed for a given output power.
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  • You also need to bear in mind any particularly arduous hills, tight bends or islands, speed bumps or narrow lanes.
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  • Four speed constant speed airscrew Accommodation: Enclosed cockpit over wings armament: Four 20 mm British Hispano cannon completely buried in the wings.
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  • The motor armatures are skewed to minimize cogging which is required for low speed tracking.
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  • You can undertake each assignment at your own speed.
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  • I backed it off and settled down to my usual cruising speed of 65 but was utterly astounded with such an amazing transformation.
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  • Until one observes an Aurora of this intensity, it is difficult to appreciate the scale and speed of the constant changes in patterns.
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  • Any web design needs to look authoritative, convey the correct messages and download with optimum speed.
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  • It has a high speed autofocus that can shoot at up to eight frames per second.
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  • Remember, unlike some online stores avid - SPEED DIAL SL LEVERS will be sent with free P&P!
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  • This means that the performance of an externally ballasted system can be optimized much better for any chosen rotary speed.
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  • In addition they have bathrobes, high speed internet access and wet bar including sink, mini fridge and microwave.
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  • He loves the thrill of the car at full speed He's hell bent on taking the lead.
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  • In Nambia a USAID sponsored roadside billboard read Speed kills, condoms save.
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  • Phase 1 trials have confirmed the fast speed of onset and vastly improved bioavailability of apomorphine nasal powder compared with Uprima 3mg.
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  • The third is the ability of the heart to pump enough blood around the body to supply sufficient oxygen for the required speed.
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  • The extra speed with which sucrose enters the bloodstream does more harm than good.
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  • The human toll of road accidents caused by high speed blowouts is all too obvious.
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  • Keywords: ATMOSPHERE, ROUGHNESS, SPEED, TERRAIN, WIND Strong winds in the atmospheric boundary layer.
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  • Using the rear brake at low speed soon trains you to ride properly - feet up - which improves your motorcycling handling no end.
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  • Your freefall speed is about 120 mph, so it will feel fairly breezy!
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  • The Wet Dream is a delicious 6 inch tall finger shaped vibrator packed with extra power from its extra long multi speed vibrating bullet.
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