Needle sentence example

needle
  • Katie glanced up, the needle pausing in mid air.
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  • A nurse walked in with a needle and after that she fell asleep again.
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  • I feel more like a ship's sailor in a storm, with shredded sails with someone handing me a needle and thread.
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  • She looked away and fumbled with the needle and thread she'd found in a sewing kit.
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  • The galvanometer being so adjusted that a current of definite strength through one of the coils gives a definite deflection of the needle, the amount of leakage expressed in terms of the insulation resistance of the wires is given by the formula.
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  • The needle was smaller than she remembered needles being, and she steadied her breathing before plunging it into his arm.
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  • I wanted to ask questions but a medic stuck a needle in my arm.
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  • The poles of a piece of magnetized steel may be at once distinguished if the two ends are successively presented to the compass; that end which attracts the south pole of the compass needle (and is therefore north) may be marked for easy identification.
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  • These indications form the telegraph alphabet and are read in the same manner as in the case of the " single needle " instrument used on land.
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  • C. Oersted's discovery that a magnetic needle is acted on by a voltaic current.
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  • To render the elongation evident, another wire is attached to its centre S2, this last having a thread fixed to its middle of which the other end is twisted round the shaft of an index needle or in some way connected to it through a multiplying gear.
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  • When a current is passed through the wire forming the coil, the fragment of iron is drawn more into the aperture of the coil where the field is stronger and so displaces an index needle over a scale.
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  • If then the torsion head is provided with an index needle, and also if the movable coil is provided with an indicating point, it is possible to measure the torsional angle through which the head must be twisted to bring the movable coil back to its zero position.
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  • All the mountains offer easy routes to pedestrians, but some of them, as Scafell, Pillar, Gable (Napes Needle), Pavey Ark above Langdale and Dow Crags near Coniston, also afford ascents for experienced climbers.
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  • This can be more easily shown if the compass is replaced by a magnetized knitting needle, supported horizontally by a thread.
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  • The north pole of the bar-magnet will repel the north pole of the suspended needle, and there will likewise be repulsion between the two south poles.
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  • If a wire of soft iron is substituted for the suspended magnetic needle, either pole of the bar-magnet will attract either end of the wire indifferently.
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  • A south pole would be urged oppositely to the conventional " direction " of the line; hence it follows that a very small magnetic needle, if placed in the field, would tend to set itself along or tangentially to the line of force passing through its centre, as may be approximately verified if the compass be placed among the filings on the cardboard.
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  • Lay the compass upon the cardboard, and observe the rate at which its needle vibrates after being displaced from its position of equilibrium; this will vary greatly in different regions.
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  • A small needle is inserted through the drop to prick the skin below.
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  • He withdrew a small case with a needle in it and several small vials.
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  • If the looped lines are both in good condition and free from leakage, the current sent out on line r will be exactly equal to the current received back on line 2; and as these currents will have equal but opposite effects on the galvanometer needle, no deflection of the latter will be produced.
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  • Cables have frequently been picked up showing after many years of submergence no appreciable deterioration in this respect, while in other cases ends have been picked up which in the course of twelve years had been corroded to needle points, the result probably of metalliferous deposits in the locality.
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  • Hot-wire ammeters are, however, liable to a shift of zero, and means are always provided by some adjusting screw for slightly altering the sag of the wire and so adjusting the index needle to the zero of the scale.
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  • The needle is balanced so that gravity compels it to take a certain position in which the fragment of iron occupies a position in the centre of the field of the coil where it is weakest.
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  • When a current is passed through the coil the iron tends to move nearer to the coil of the wire where the field is stronger and so displaces the index needle over the scale.
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  • Another type of similar instrument consists of a coil of wire having a fragment of iron wire suspended from one arm of an index needle near the mouth of a coil.
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  • The coil carries an index needle moving over a scale, and there is generally an iron core in the interior of the coil but fixed and independent of it.
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  • If the distance of the mirror from the scale is equal to n scale divisions, and if a deflection 0 of the needle causes, the reflected spot of light to move over s scale divisions, we shall have s/n = tan 20 exactly, s/2n = tan 0 approximately.
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  • If the needle is connected to one terminal of a circuit, and the fixed plates or cells to the other member of the circuit, and a difference of potential is created between them, then the movable needle is drawn in so that the aluminium blades are more included between the fixed plates.
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  • The movable coil has attached to it an index needle moving over a scale, and a fixed coil of high-resistance wire is included in series with the movable coil between the terminals of the instrument.
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  • Local magnetic disturbance of the needle due to magnetic rocks is observed on land in all parts of the world, and in certain places extends to the land under the sea, affecting the compasses on board the ships passing over it.
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  • In Sciadopitys similar spurs occur, each bearing a single needle, which in its grooved surface and in the possession of a double vascular bundle bears traces of an origin from two needle-leaves.
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  • Every little pine needle expanded and swelled with sympathy and befriended me.
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  • The direction of the resultant field of force will then make, with that of H E, an angle 0, such that Hp/H E tan 0, and the suspended needle will be deflected through the same angle.
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  • In order to fulfil the requirement that the field which a magnetized rod produces at the magnetometer shall be at right angles to that of the earth, the rod may be conveniently placed in any one of three different positions with regard to the suspended needle.
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  • If the cardboard scale upon which the beam of light is reflected by the magnetometer mirror is a flat one, the deflections as indicated by the movement of the spot of light are related to the actual deflections of the needle in the ratio of tan 20 to 0.
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  • C is a " compensating coil " consisting of a few turns of wire through which the magnetizing current passes; it serves to neutralize the effect produced upon the magnetometer by the magnetizing coil, and its distance from the magnetometer is so adjusted that when the circuit is closed, no ferromagnetic metal being inside the magnetizing coil, the ti, magnetometer needle undergoes no deflection.
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  • The wire is supported inside the glass tube A with its upper pole at the same height as the magnetometer needle.
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  • Under the influence of the transient current, the galvanometer needle undergoes a momentary deflection, or " throw," which is proportional to Q, and therefore to 8B, and thus, if we know the deflection produced by the discharge through the galvanometer of a given quantity of electricity, we have the means of determining the value of 8B.
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  • Suppose the switches to be adjusted so that the effective number of turns in the variable coil is loo; the magnetizing forces in the two coils will then be equal, and if the test rod is of the same quality as the standard, the flow of induction will be confined entirely to the iron circuit, the two yokes will be at the same magnetic potential, and the compass needle will not be affected.
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  • If, however, the permeability of the test rod differs from that of the standard, the number of lines of induction flowing in opposite directions through the two rods will differ, and the excess will flow from one yoke to the other, partly through the air, and partly along the path provided by the bent bars, deflecting the compass needle.
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  • But a balance may still be obtained by altering the effective number of turns in the test coil, and thus increasing or decreasing the magnetizing force acting on the test rod, till the induction in the two rods is the same, a condition which is fulfilled when reversal of the current has no effect on the compass needle.
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  • Experiments with annealed iron gave less satisfactory results, on account of the slowness with which the metal settled down into a new magnetic state, thus causing a " drift " of the magnetometer needle, which sometimes persisted for several seconds.
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  • Hall Efect.-If an electric current is passed along a strip of thin metal, and the two points at opposite ends of an equipotential line are connected with a galvanometer, its needle will of course not be deflected.
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  • The needles of the primitive compasses, being made of iron, would require frequent re-magnetization, and a " stone " for the purpose of " touching the needle " was therefore generally included in the navigator's outfit.
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  • C. Oersted (1777-1851) had shown that a magnetic needle is deflected by an electric current, he attempted, in the laboratory of the Royal Institution in the presence of Humphry Davy, to convert that deflection into a continuous rotation, and also to obtain the reciprocal effect of a current rotating round a magnet.
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  • It is sufficient to look at wire gauze backed by the sky or by a flame, through a piece of blackened cardboard, pierced by a needle and held close to the eye.
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  • In front of the naked eye was held a piece of copper foil perforated by a fine needle hole.
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  • It was probably in Paris, the chief intellectual centre of his time, that Neckam heard how a ship, among its other stores, must have a needle placed above a magnet (the De utensilibus assumes a needle mounted on a pivot), which needle would revolve until its point looked north, and thus guide sailors in murky weather or on starless nights.
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  • Cleopatra's Needle, an ancient Egyptian monument, was presented to the government by Mehemet Ali in 1819, brought from Alexandria in 1878, and erected on the Victoria embankment on a pedestal of grey granite.
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  • It is not possible to enumerate here even the principal styles of ishime, but mention may be made of the zara-maki (broad-cast), in which the surface is finely but irregularly pitted after the manner of the face of a stone; the nashi-ji (pear-ground), in which we have a surface like the rind of a pear; the hari-ishime (needle ishime), where the indentations are so minute that they seem to have been made with the point of a needle; the gama-ishime, which is intended to imitate the skin of a toad; the tsuya-ishime, produced with a chisel sharpened so that its traces have a lustrous appearance; the ore-liuchi (broken-tool), a peculiar kind obtained with a jagged tool; and the gozam, which resembles the plaited surface of a fine straw mat.
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  • Formerly the embroiderer was content to produce a pattern with his needle, now he paints a picture.
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  • A simple method for condenser comparison is to charge the two condensers to the same voltage by a battery and then discharge them successively through a ballistic galvanometer and observe the respective " throws " or deflections of the coil or needle.
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  • Of the rarer bismuth minerals we may notice the following: - the complex sulphides, copper bismuth glance or wittichenite, BiCu 3 S 3, silver bismuth glance, bismuth cobalt pyrites, bismuth nickel pyrites or saynite, needle ore (patrinite or aikinite), BiCuPbS 3, emplectite, CuBiS 2, and kobellite, BiAsPb 3 S 6; the sulphotelluride tetradymite; the selenide guanajuatite, B12Se3, Iv.
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  • The products of the textile industry in America were bark cloth, wattling for walls, fences and weirs, paper, basketry, matting, loom products, needle or point work, net-work, lacework and embroidery.
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  • Schwabach is the chief seat of the needle manufacture in Bavaria; its other industries include gold and silver wire work, brewing and the making of soap and earthenware.
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  • These coils are placed with their axes at right angles to one another, and at the point where the axes intersect a small pivoted needle of soft iron is placed, carrying a longer index needle moving over a scale.
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  • The small pivoted iron needle ns placed in their common field therefore takes up a certain position, dependent on the relative value of these fields.
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  • The tangent of the angle of deflection 0 of this needle measured from its position, when the shunt coil is disconnected, is equal to the ratio of the voltage of the dynamo to the current through the insulator.
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  • Hence the deflection of the needle is proportional to the insulation resistance, and the scale can be graduated to show directly this resistance in megohms.
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  • The exact position of the core, and, therefore, of an index needle connected with it, is dependent on the ratio of the voltage applied to the terminals of the high resistance or insulator and the current passing through it, This, however, is a measure of the insulation-resistance.
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  • The exact position taken up by the needle is therefore determined by the potential difference (P.D.) of the quadrants and the P.D.
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  • In the space between them is suspended a "needle" which consists of a light aluminium axis, to which are affixed a number of paddle-shaped aluminium blades.
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  • This needle is suspended by a fine platinum silver wire, and its normal position is such that the aluminium paddle blades are just outside the quadrantal-shaped plates.
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  • This movement is resisted by the torsional elasticity of the suspending wire, and hence a fixed indicating needle attached to the movable system can be made to indicate directly on a scale, the difference of potential between the terminals of the instrument in volts.
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  • For such purposes the whole of the working parts are contained in a metal case; the indicating needle moving over a divided scale which is calibrated to show directly the potential difference in volts of the terminals of the instrument.
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  • As the frame has the same linear expansion as the wire, external changes of the temperature will not affect their relative length, but if the fine wire is heated by the passage of an electric current, its expansion will move the indicating needle over the scale, the motion being multiplied by the gear.
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  • In the Hartmann and Braun form of hot-wire voltmeter, the fine wire is fixed between two supports, and the expansion produced when a current is passed through it causes the wire to sag down, the sag being multiplied by a gear and made to move an indicating needle over a scale.
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  • The cathedral was founded on the ruins of St Wilfrid's abbey about 680, but of this Saxon building nothing now remains except the crypt, called St Wilfrid's Needle.
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  • Creak, and has been found to give satisfactory results on board ship. The circle is provided with two needles in addition to those used for determining the dip, one (a) an ordinary dip needle, and the other (b) a needle which has been loaded at one end by means of a small peg which fits into one of two symmetrically placed holes in the needle.
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  • Attached to the cross-arm which carries the microscopes used to observe the ends of the dipping needle is a clamp, which will hold the needle b in such a way that its plane is parallel to the vertical circle and its axis is at right angles to the line joining the two microscopes.
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  • Hence, when the microscopes are adjusted so as to coincide with the points of the dipping needle a, the axes of the two needles must be at right angles.
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  • The needle a being suspended between the jewels, and the needle b being held in the clamp, the cross-arm carrying the reading microscopes and the needle b is rotated till the ends of the needle a coincide with the cross-wires of the microscopes.
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  • The verniers having been read, the cross-arm is rotated so as to deflect the needle a in the opposite direction, and a new setting is taken.
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  • This angle depends on the ratio of the magnetic moment of the needle b to the total force of the earth's field.
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  • Hence the above observation gives us a means of obtaining the ratio of the magnetic moment of the needle' b to the value of the earth's total force.
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  • The needle b is then substituted for a, there being now no needle in the clamp attached to the microscope arm, and the difference between the reading now obtained and the dip, together with the weight added to the needle, gives the product of the moment of the needle b into the earth's total force.
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  • In an actual observation the deflecting needle would be reversed, as well as the deflected one, while different weights would be used to deflect the needle b..
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  • The principle of the method consists in deflecting the compass needle by means of a horizontal magnet supported vertically over the compass card, the axis of the deflecting magnet being always perpendicular to the axis of the magnet attached to the card.
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  • The mariner's compass, with which this article is concerned, is an instrument by means of which the directive force of that great magnet, the Earth, upon a freely-suspended needle, is utilized for a purpose essential to navigation.
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  • The needle is so mounted that it only moves freely in the horizontal plane, and therefore the horizontal component of the earth's force alone directs it.
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  • The direction assumed by the needle is not generally towards the geographical north, but diverges towards the east or west of it, making a horizontal angle with the true FIG.
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  • In the usual navigable waters of the world the variation alters from 30° to the east to 45° to the west of the geographical meridian, being westerly in the Atlantic and Indian oceans, easterly in the Pacific. The vertical plane passing through the longitudinal axis of such a needle is known as the magnetic meridian.
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  • Following the first chart of lines of equal variation compiled by Edmund Halley in 1700, charts of similar type have been published from time to time embodying recent observations and corrected for the secular change, thus providing seamen with values of the variation accurate to about 30' of arc. Possessing these data, it is easy to ascertain by observation the effects of the iron in a ship in disturbing the compass, and it will be found for the most part in every vessel that the needle is deflected from the magnetic meridian by a horizontal angle called the deviation of the compass; in some directions of the ship's head adding to the known variation of the place, in other directions subtracting from it.
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  • The general direction of these disturbances in the northern hemisphere is an attraction of the north-seeking end of the needle; in the southern hemisphere, its repulsion.
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  • Thus in every ship the compass needle is more or less subject to deviation differing in amount and direction for every azimuth of the ship's head.
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  • The horizontal directive force on the needle on board is nearly always less than on land, sometimes much less, whilst in armour-plated ships it ranges from 8 to 2 when the directive force on land= 1 o.
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  • In this he gave equations resulting from the hypothesis that the magnetism of a ship is partly due to the permanent magnetism of hard iron and partly to the transient induced magnetism of soft iron; that the latter is proportional to the intensity of the inducing force, and that the length of the needle is infinitesimally small compared to the distance of the surrounding iron.
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  • The Chinese name for the compass is ting-nan-ching, or needle pointing to the south; and a distinguishing mark is fixed on the magnet's southern pole, as in European compasses upon the northern one."
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  • The needle is peculiarly poised, with its point of suspension a little below its centre of gravity, and is exceedingly sensitive; it is seldom more than an inch in length, and is less than a line in thickness.
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  • Bailak Kibdjaki, also, an Arabian writer, shows in his Merchant's Treasure, a work given to the world in 1282, that the magnetized needle, floated on water by means of a splinter of wood or a reed, was employed on the Syrian seas at the time of his voyage from Tripoli to Alexandria (1242), and adds:"They say that the captains who navigate the Indian seas use, instead of the needle and splinter, a sort of fish made out of hollow iron, which, when thrown into the water, swims upon the surface, and points out the north and south with its head and tail" (Klaproth, Lettre, p. 57).
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  • The Arab traders in the Levant certainly used a floating compass, as did the Italians before the introduction of the pivoted needle; the magnetized piece of iron being floated upon a small raft of cork or reeds in a bowl of water.
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  • He speaks there of a needle carried on board ship which, being placed on a pivot, and allowed to take its own position of repose, shows mariners their course when the polar star is hidden.
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  • The magnetical needle, and its suspension on a stick or straw in water, are clearly described in La Bible Guiot, a poem probably of the r3th century, by Guiot de Provins, wherein we are told that through the magnet (la manette or l'amaniere), an ugly brown stone to which iron turns of its own accord, mariners possess an art that cannot fail them.
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  • Guido Guinizzelli, a poet of the same period, writes: - "In those parts under the north are the mountains of lodestone, which give the virtue to the air of attracting iron; but because it [the lodestone] is far off, [it] wishes to have the help of a similar stone to make it [the virtue] work, and to direct the needle towards the star."
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  • He then describes a new compass with a needle thrust through a pivoted axis, placed in a box with transparent cover, cross index of brass or silver, divided circle, and an external "rule" or alhidade provided with a pair of sights.
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  • The mounting of the card upon the needle or "flie," so as to turn with it, is probably of Amalphian origin.
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  • Da Buti, the Dante commentator, in 1380 says the sailors use a compass at the middle of which is pivoted a wheel of light paper to turn on its pivot, on which wheel the needle is fixed and the star (wind-rose) painted.
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  • The placing of the card at the bottom of the box, fixed, below the needle, was practised by the compassmakers of Nuremberg in the 16th century, and by Stevinus of Bruges about 1600.
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  • Barlowe, in his treatise Magnetical Advertisements, printed in 1616 (p. 66), complains that "the Compasse needle, being the most admirable and usefull instrument of the whole world, is both amongst ours and other nations for the most part, so bungerly and absurdly contrived, as nothing more."
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  • The form he recommends for the needle is that of "a true circle, having his Axis going out beyond the circle, at each end narrow and narrower, unto a reasonable sharpe point, and being pure steele as the circle it selfe is, having in the middest a convenient receptacle to place the capitell in."
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  • He also showed that the Chinese mode of suspending the needle conduces most to sensibility.
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  • The usual form of ice-crystals in clouds is a right hexagonal prism, which may be elongated as a needle or foreshortened like a thin plate.
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  • The process of inserting white hairs is called in the trade "pointing," and is either done by stitching them in with a needle or by adhesive caoutchouc.
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  • Thus there must in general be a difference between the observer's magnetic meridian - answering to the mean position of the magnetic needle at his station - and the direction the needle would have at a given hour, if undisturbed by the aurora, at any spot where the phenomena which the observer sees as aurora exist.
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  • This seems in general to be nearly coincident with the direction of the dipping needle.
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  • The behaviour of the needle, as Paulsen points out, is exactly what it should be if the space occupied by the auroral curtain were traversed by electric currents directed upwards from the ground.
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  • The direction in which the compass needle deviated was west or east, according as the curtain approached from the south or the north; as the curtain retired the deviation eventually diminished.
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  • A simple form, which is sometimes referred to as a conical pen dulum, may be con structed with a large sewing needle carrying a galvanometer mirror, suspended by means of a silk or quartz fibre as shown in fig.
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  • To avoid the possi bility of displacements clue to magnetic influences, the needle may be replaced by a brass or glass rod.
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  • The nets are often very large, and are netted with a needle and mesh as in hand-netting among ourselves.
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  • Above the firs come the tamarack, constituting the bulk of the lower Alpine forest; the hardy long-lived mountain pine; the red cedar or juniper, growing even on the baldest rocks; the beautiful hemlock spruce; the still higher white pine, nut pine, needle pine; and finally, at io,000 to 12,000 ft., the dwarf pine, which grows in a tangle on the earth over which one walks, and may not show for a century's growth more than a foot of height or an inch of girth.
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  • It consisted simply of a light metallic needle balanced on a pivot like a compass needle.
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  • We may likewise conclude that this conflict performs circles round the wire, for without this condition it seems impossible that one part of the wire when placed below the magnetic needle should drive its pole to the east, and when placed above it, to the west."
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  • Oersted's important discovery was the fact that when a wire joining the end plates of a voltaic pile is held near a pivoted magnet or compass needle, the latter is deflected and places itself more or less transversely to the wire, the direction depending upon whether the wire is above or below the needle, and on the manner in which the copper or zinc ends of the pile are connected to it.
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  • He found that a vibrating magnetic compass needle came to rest sooner when placed over a plate of copper than otherwise, and also that a plate of copper rotating under a suspended magnet tended to drag the magnet in the same direction.
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  • Abandoning the long and somewhat heavy magnetic needles that had been used up to that date in galvanometers, he attached to the back of a very small mirror made of microscopic glass a fragment of magnetized watch-spring, and suspended the mirror and needle by means of a cocoon fibre in the centre of a coil of insulated wire.
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  • In the bottom of the vessel is placed some sulphuric acid, and a platinum wire attached to the suspended needle dips into this acid.
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  • By giving a charge to this Leyden jar the needle can thus be maintained at a certain constant high potential.
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  • The needle in its normal position is symmetrically placed with regard to the quadrants, and carries a mirror by means of which its displacement can be observed in the usual manner by reflecting the ray of light from it.
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  • If the two quadrants are at different potentials, the needle moves from one quadrant towards the other, and the image of a spot of light on the scale is therefore displaced.
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  • The formula indicates that the sensibility of the instrument should increase with the charge of the Leyden jar or needle, whereas Hopkinson found that as the potential of the needle was increased by working the replenisher of the jar, the deflection due to three volts difference between the quadrants first increased and then diminished.
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  • He found that when the potential of the needle exceeded a certain value, of about volts, for the particular instrument he was using (made by White of Glasgow), the above formula did not hold good.
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  • Hopkinson had been inclined to attribute the anomaly to an increase in the tension of the bifilar threads, owing to a downward pull on the needle, but they showed that this theory would not account for the discrepancy.
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  • If the quadrants were near together there were certain limits between which the potential of the needle might vary without producing more than a small change in the deflection corresponding with the fixed potential difference of the quadrants.
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  • In this case the deflection of the needle was practically quite constant when its potential varied from to 3227 volts.
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  • Finally, these observers traced the variation to the fact that the wire supporting the aluminium needle as well as the wire which connects the needle with the sulphuric acid in the Leyden jar in the White pattern of Leyden jar is enclosed in a metallic guard tube to screen the wire from external action.
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  • In order that the needle may project outside the guard tube, openings are made in its two sides; hence the moment the needle is deflected each half of it becomes unsymmetrically placed relatively to the two metallic pieces which join the upper and lower half of the guard tube.
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  • The importance of this investigation resides in the fact that an electrometer of the above pattern can be used as a wattmeter, provided that the deflection of the needle is proportional to the potential difference of the quadrants.
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  • Blondlot and P. Curie afterwards suggested that a single electrometer could be constructed with two pairs of quadrants and a duplicate needle on one stem, so as to make two readings simultaneously and produce a deflection proportional at once to the power being taken up in the inductive circuit.
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  • The needle and quadrants are of small size, and the FIG.
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  • The needle, a piece of paddle-shaped paper thinly coated with silver foil, is suspended by a quartz fibre, its extreme lightness making it possible to use a very feeble controlling force without rendering the period of oscillation unduly great.
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  • The resistance offered by the air to a needle of such light construction suffices to render the motion nearly dead-beat.
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  • The needle is charged to a potential of 50 to 200 volts by means of a dry pile or voltaic battery, or from a lighting circuit.
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  • To facilitate the communication of the charge to the needle, the quartz fibre and its attachments are rendered conductive by a thin film of solution of hygroscopic salt such as calcium chloride.
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  • The lightness of the needle enables the instrument to be moved without fear of damaging the suspension.
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  • He found that a magnetic needle, made to oscillate over nonferruginous surfaces, such as water, glass, copper, &c., falls more rapidly in the extent of its oscillations according as it is more or less approached to the surface.
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  • This discovery, which gained him the Copley medal of the Royal Society in 1825, was followed by another, that a rotating plate of copper tends to communicate its motion to a magnetic needle suspended over it ("magnetism of rotation").
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  • In his experiments a long compass needle is mounted so as to swing in the surface of the liquid under investigation.
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  • The cases of ordinary clean water and alcohol are strongly contrasted, the motion of the needle upon the former being comparatively sluggish.
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  • In the case of water the whole of the surface in front of the needle moves with it, while on the other hand the dust floating on alcohol is scarcely disturbed until the needle actually strikes it.
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  • This work, which embodied the results of many years' research, was distinguished by its strict adherence to the scientific method of investigation by experiment, and by the originality of its matter, containing, as it does, an account of the author's experiments on magnets and magnetical bodies and on electrical attractions, and also his great conception that the earth is nothing but a large magnet, and that it is this which explains, not only the direction of the magnetic needle north and south, but also the variation and dipping or inclination of the needle.
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  • It was, therefore, the earliest example of a true "magnetic" telegraph, all preceding experiments to this end having been on the galvanometer or needle principle.
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  • In the Californian Pinus monophylla each spur bears usually one needle, but two are not uncommon; it would seem that rudiments of two needles are always produced, but, as a rule, only one develops into a needle.
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  • A pine needle grown iji continuous light differs from one grown under ordinary conditions in the absence of hypodermal fibres, in the absence of the characteristic infoldings of the mesophyll cell-walls, in the smaller size of the resin-canals, &c. The endodermis in Pinus, Picea and many other genera is usually a well-defined layer of cells enclosing the vascular bundles, and separated from them by a tissue consisting in part of ordinary parenchyma and to some extent of isodiametric tracheids; but this tissue, usually spoken of as the pericycle, is in direct continuity with other stem-tissues as well as the pericycle.
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  • In all household work she was specially proficient, her skill in the use of the needle not being excelled (she said) by that of any matron even of Rouen.
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  • The injection should be intra-muscular, the needle being boldly plunged into a muscular mass, such as that of the deltoid or the gluteal region.
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  • There is reason to believe that Gunter was the first to discover (in 1622 or 1625) that the magnetic needle does not retain the same declination in the same place at all times.
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  • They are produced as follows: A sharp-pointed needle is placed perpendicular to a non-conducting plate, such as of resin, ebonite or glass, with its point very near to or in contact with the plate, and a Leyden jar is discharged into the needle.
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  • A curious fact, which may be used for the detection of the minutest quantity of oils and fats, is that camphor crushed between layers of paper without having been touched with the fingers rotates when thrown on clean water, the rotation ceasing immediately when a trace of oil or fat is added, such as introduced by touching the water with a needle which has been passed previously through the hair.
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  • The voltmeter needle may then be made to record its variations graphically on a drum covered with paper and so to delineate the wave form of the current.
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  • They consist essentially of a galvanometer of which the needle or coil has such a short natural periodic time that it can follow all the variations of a current which runs through its cycle in say i;nth second.
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  • This needle or coil must be so damped that when the current is cut off it returns to zero at once without overshooting the mark.
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  • In one form of Blondel's oscillograph, the vibrating system is a small magnetic needle carrying a mirror, but the principle on which it operates is the same as that of the instrument above described.
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  • You want to find a needle in a haystack, get a magnet.
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  • Using ultrasound to guide the way, a needle is inserted through the mother's abdomen into the developing placenta.
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  • Diagnosis can be confirmed by needle aspiration which shows a creatinine level equivalent to serum.
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  • Ros Needle landed a 6lbs carp using a boilie hook bait Middle Pond Joel Rees caught a 7lb carp on Wednesday.
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  • The commonest category is that representing textile manufacture and the objects included pin beaters, a needle and a spindle whorl.
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  • After removal of the aluminum bezel the ' glass ' will fall out revealing the dial face and needle.
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  • In a bone marrow biopsy, a slightly larger needle is used.
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  • Your child will probably have a cannula (needle) in a hand or foot for the first 24 hours.
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  • A 3 cm needle is inserted half way between the lateral canthus and the lateral limbus in the lower conjunctiva.
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  • The use of an insulated needle cautery is associated with a minimal amount of adhesion formation.
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  • Tambour is a French word meaning ' drum ' The tambour method uses a hooked needle to make a continuous chain stitch.
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  • Needle stick injuries Allow all puncture injuries to bleed freely and then wash under running water using soap or a hand cleanser.
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  • There are plans to develop services for: supervised consumption of prescribed medicines needle exchange services advice to care homes minor ailment schemes.
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  • Needle sensation did not correlate with serum cortisol levels.
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  • Fine needle aspiration cytology: this test involves pushing a small needle into the lump at sucking out some cells with a syringe.
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  • In the following year a boy named Lawson had a needle broken off in his finger during sock darning.
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  • A strong magnet held on one side of the hand can easily deflect a compass needle on the other side of the same hand.
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  • Use needle to compare the sequences with those that you have for isocitrate dehydrogenase from E coli.
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  • Fluid can then be given to you through an intravenous drip where a needle is placed into one of your veins.
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  • Using a clean needle every time if you inject drugs.
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  • Intravascular injection (should be prevented by checking the needle position with radio-opaque dye ).
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  • Imagine trying to find a lost Radium needle on a rubbish dump with a gold leaf electroscope!
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  • North Lincolnshire PCT provides a network of needle exchange services in various locations.
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  • The site of insertion of the needle is shown passing through the membranous layer of the superficial fascia.
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  • It gives you greater coverage being a four pronged attack for super quick needle felting as well as being comfortable.
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  • The operator should note the depth at which the needle initially strikes the femur.
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  • Your dentist or hygienist will show you how to use a bridge needle or special floss, as a normal toothbrush cannot reach.
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  • Broun Ogre: This mornin, Ah peyed the Wutch-that-Mends-Rainbows a haill groat for hir magic Needle an nou Ah hae tint it.
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  • He said: ' When you are looking for a needle in a haystack, is it necessary to keep building bigger haystacks?
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  • Such wastes include used hypodermic syringes frequently with a needle still attached and small vessels or vials that contained medicines (drugs ).
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  • It was followed by a quick jab with a needle.
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  • Beside working with the bobbins, there is needle lace, knitted lace, netting, crochet and tatting.
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  • Next, pass the needle from inside to out and back in to the vessel lumen.
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  • One of the most important parts to check is the floating dial, which contains the magnetic needle.
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  • The sciatic nerve is most likely to lie slightly medial to the path of the needle if these landmarks are used.
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  • Aqua Medic needle valve skimmer Aqua medic needle valve skimmer Aqua Medic air operated skimmer Twin metal Halide lights.
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  • Nemesis, in the shape of Bertie's darning needle, marked him for her own.
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  • The needles run over Betty's body have their obvious source in the compass needle run over the car.
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  • The hole was made with a fine sewing needle.
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  • The most popular measure used to ensure that the Veress needle is lying in free intraperitoneal space is the saline drop test.
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  • The polo neck also needs a 4mm 60cm circular needle.
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  • Lumbar Puncture A thin hollow needle is placed into the lower back, into the spinal canal.
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  • During the procedure, an epidural needle is inserted near the base of the spine.
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  • Fine needle aspiration cytology: this test involves pushing a small needle aspiration cytology: this test involves pushing a small needle into the lump at sucking out some cells with a syringe.
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  • The recirculation system had to be modified to prevent pigmentation being carried over by adding a hydraulic needle valve.
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  • Often after a long period of lay-up or because of contamination in the fuel the needle valve can stick causing an oversupply.
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  • This might be anything, ranging from a mounted needle to a sharpened pencil.
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  • Paraplegia from injecting phenol into the arteries that supply the spinal cord (prevented by checking the needle position with radio-opaque dye ).
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  • A needle is used to take a sample of the cells that will form the placenta.
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  • Bring to first class: crimping pliers, needle nose pliers, wire cutters - if you have them.
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  • They require a special tool to loosen them, that said its very easy to loosen them with a pair of needle nose pliers.
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  • Using a fine needle, the DNA is injected into the large male pronucleus, which is derived from the sperm.
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  • There is also a needle exchange that operates out of Base 75, a service offered to female prostitutes.
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  • At this point arterial pulsation is usually transmitted to needle.
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  • Accidental dural puncture is usually easily recognized by the immediate loss of CSF through the epidural needle.
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  • On conifers in California, the pathogen causes a needle blight and dieback of young shoots of Douglas fir and coastal redwood.
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  • I have managed to get some needle removers from NovoNordisk which work very well - give them to the patient after demonstration.
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  • Here, Mrs Y would be harmed by forcibly restraining her in order to insert the needle for anesthesia.
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  • It simulates the insertion of a needle in percutaneous rhizotomy.
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  • This type of process is applied to needle or roller bearings, gears and piston rings, gears and piston rings.
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  • It is the earlier type which has bronze bushes rather than needle rollers.
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  • Re fit the clutch housing and spider, making note of either the center brass bush or two needle roller bearings are in place.
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  • A needle is inserted through the mother's abdominal wall into the amniotic sac holding the baby.
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  • People should therefore not inject; only inject safely with clean equipment if they do; use needle exchange and practice safe sex.
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  • Once in place, the needle should be checked for proper positioning by manipulation of the femur, and flushed with heparinised saline.
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  • Generally, only one needle puncture will be required to obtain all blood samples at a given time.
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  • A blood sample is drawn by needle from a vein in the arm.
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  • Sometimes people find records that have no scuffs that are visible, yet a careless needle scratch causes a break in the grooves.
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  • Using a glover's needle (very sharp be careful) and fake sinew sew together.
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  • Aqua Medic needle valve skimmer Aqua Medic air operated skimmer Twin metal Halide lights.
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  • Needle wheel protein skimmer - with Ocean Runner PH 2000 pump.
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  • As the needle penetrates the skull, complications affecting the brain may arise.
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  • The technique involves inserting the needle until it touches the pubic symphysis.
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  • The most famous landmark was the Space Needle, of course, which in 1988 seemed altogether too tacky to go near.
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  • The tube can then be slipped over the blunted needle to give a fine teat.
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  • The instrument consists of a bell glass, from the inside of which is suspended a copper needle by a fine silken thread.
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  • Needle: Ye telt the Toll Man a lee an ye war gaun ti keep his pennies ti yeirsell, war ye?
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  • For a bone marrow trephine, the needle is thicker.
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  • Most often, the blood sample is collected by venipuncture (using a needle to collect blood from a vein in the arm ).
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  • Mums-to-be are currently offered the traditional method in which a needle is inserted inside the womb (amniocentesis or chorion villus sampling ).
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  • Note 4:- 2nd gear is similar, except for a split thrust washer behind the collar, which the needle rollers run against.
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  • Contemporary Puritan writers in the Marprelate tracts allude to Dr John Bridges, dean of Salisbury, author of A Defence of the Government of the Church of England, as the reputed author of Gammer Gurton's Needle, but he obviously could not be properly described as "Mr S."
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  • The chief genera are banksia (honeysuckle), and hakea (needle bush).
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  • The movements of the pollen-masses may readily be seen with the naked eye by thrusting the point of a needle into the base of the anther, when the disks adhere to the needle as they would do to the antenna of an insect, and may be withdrawn.
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  • The galvanometer which is used for ballistic observations should have a somewhat heavy needle with a period of vibration of not less than five seconds, so that the transient current may have ceased before the swing has well begun; an instrument of the d'Arsonval form is recommended, not only because it is unaffected by outside magnetic influence, but also because the moving part can be instantly brought to rest by means of a short-circuit key, thus effecting a great saving of time when a series of observations is being made.
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  • Also the Acts of Peter and Andrew, which among other incidents recount the miracle of a camel passing through the eye of a needle.
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  • The general disorders and ceaseless intrigues all over Italy required Lorenzo's constant attention, and he succeeded in making Florence "the needle of the balance of power in Italy."
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  • The instrument consists of a high-voltage continuous-current dynamo which creates a potential difference between the needle and the two quadrants of a quadrant electrometer (see Electrometer).
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  • This consists of an ordinary dip circle (see Inclinometer) in which the ends of the axle of the needle are pointed and rest in jewelled holes, so that the movements of the ship do not displace the needle.
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  • In the usual navigable waters of the world the variation alters from 30° to the east to 45° to the west of the geographical meridian, being westerly in the Atlantic and Indian oceans, easterly in the Pacific. The vertical plane passing through the longitudinal axis of such a needle is known as the magnetic meridian.
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  • Davies, "that the different manner of constructing the needle amongst the Chinese and European navigators shows the independence of the Chinese of us, as theirs is the worse method, and had they copied from us, they would have used the better one" (Thomson's British Annual, 1837, p. 291).
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  • They described all things farre different from ours, and shewed, that in steade of our Compas, they use a magneticall needle of sixe ynches long, and longer, upon a pinne in a dish of white China earth filled with water; In the bottome whereof they have two crosse lines, for the foure principall windes; the rest of the divisions being reserved to the skill of their Pilots."
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  • Cardinal Jacques de Vitry, bishop of Acon in Palestine, in his History (cap. 89), written about the year 1218, speaks of the magnetic needle as "most necessary for such as sail the sea"; 1 and another French crusader, his contemporary, Vincent de Beauvais, states that the adamant (lodestone) is found in Arabia, and mentions a method of using a needle magnetized by it which is similar to that described by Kibdjaki.
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  • The earliest form of scientific electroscope was the versorium or electrical needle of William Gilbert (1544- 1603), the celebrated author of the treatise De magnete (see Electricity).
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  • Faraday first succeeded by the simple but ingenious device of using a light magnetic needle tethered flexibly to the bottom of a cup containing mercury so that one pole of the magnet was just above the surface of the mercury.
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  • It simulates the insertion of a needle in Percutaneous Rhizotomy.
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  • This type of process is applied to needle or roller bearings, gears and piston rings.
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  • A needle is inserted through the mother 's abdominal wall into the amniotic sac holding the baby.
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  • Decorating a plate using a needle placed in a cork to scratch through the color to create a sgraffito pattern.
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  • Using a glover 's needle (very sharp be careful) and fake sinew sew together.
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  • Remove the needle and immediately press on with the cotton wool ball to stem bleeding.
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  • Use a sterilized needle to prick the blister through the skin at the side.
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  • Keeping the needle horizontal, advance posterior to the clavicle aiming for the sternal notch.
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  • Stitch beyond the first suture line to avoid needle damage to the first line.
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  • Push the syringe needle into hole of yellow stopper.
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  • Getting a tattoo or piercing from a dirty needle.
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  • The tubing attached to the needle should be taped to hold the needle in place during the donation.
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  • In this third novel of the series, Needle gives readers an unflinching look at the cruelty of slavery.
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  • Most often, the blood sample is collected by venipuncture (using a needle to collect blood from a vein in the arm).
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  • The whole car would start to vibrate violently as the white needle crept between 60 and 70mph.
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  • Early recordings of this type were made by a needle scratching a groove into a wax cylinder.
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  • Use a needle and thread to sew five of these filled tubes together to form the arms, legs and torso.
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  • Seamstresses can make baby clothing; knitters can create hats, mittens, socks, and booties; and those with basic needle and thread skills can put together bibs and burp clothes for pennies on the dollar.
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  • If you prefer placing the needle on the record and picking it back up when the side is finished playing, than choose a manual arm.
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  • Make sure you know a good source for replacement needle cartridges.
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  • Needles wear out, and a worn needle not only distorts the sound of an LP, but also can damage the surface.
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  • Needle texture: Different species of pine trees have needles and branches with different levels of suppleness.
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  • If there does seem to be a blockage, the vet may do a fine needle aspiration of the bladder by inserting a thin needle into the extended bladder and removing some of the urine.
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  • Use a size 11 universal needle on your sewing machine when sewing fleece.
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  • When working with square or rectangular cushions, avoid bulk in the corners by trimming the seam allowance and turning the fabric using a knitting needle to poke out the corners.
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  • If you're not handy with a needle and thread, have some custom made.
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  • Give the old needle and thread a try if you're handy; sometimes the result is nearly unnoticeable.
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  • Simple jobs can be done with a needle and thread.
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  • If you're talented with a needle and thread, you may opt to sew the cushions yourself.
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  • A small amount of colored pigment is injected under the surface of the skin using a pen-like needle or a traditional tattoo gun.
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  • References: Before going under the needle, talk to other professionals or clients of the technician.
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  • Beard tattooed the lash line using a hypodermic needle and syringe to transfer color.
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  • This tool is a disposable, one-time use piece which is composed of a sturdy handle and a needle.
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  • The coil, also known as a reciprocating machine, houses a tube and needle bar.
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  • Electromagnetic pulses cause the tube and needle bar to rapidly contract up and down.
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  • As the coil glides over the skin's surface, the needle penetrates the dermis and distributes the color.
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  • This element causes the internal machine mechanisms to rotate rapidly, which in turn forces the needle attachment to thrust up and down.
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  • The method involves a specific needle assembly that is exclusive to SofTap®.
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  • The needle assembly is placed on the point of pigmentation, for example, the lash line or the lips.
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  • The skin will not be depressed by the needle, as this will cause unnecessary discomfort.
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  • The front needle is lifted through the back needle, depositing pigment to the area of the skin where the needles originally met.
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  • This sound is a good sign - it means that the needle is going deep enough into the dermis to actually deliver the permanent pigment.
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  • If the needle opening of the injector is not large enough to deliver your selected seasonings without clogging, check out your local farm supply store since they often carry larger ones.
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  • To repair a button, you want use double thread on your needle.
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  • Dress tape is a great tool for fixing a problem until you have access to a needle and thread.
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  • If you have something specific in mind and it isn't in stores, you don't have to be very handy with a needle and thread to add some ruffles to a plain pair of leggings.
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  • Instead of trying to hem the denim, which requires a heavy needle, you can stitch on an embroidered ribbon, thus giving the shorts a unique and charming style of their own.
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  • Hold the needle straight up and tap the syringe to make any air bubbles float to the top.
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  • Slowly press the syringe to force the air out through the needle until a small amount of the liquid comes out.
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  • Pull up a section of the loose skin behind your dog's neck and gently insert the needle.
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  • Aqua-puncture is a method that involves injecting saline or vitamin B-12 at traditional acupuncture points using a hypodermic needle.
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  • The needles used for canine acupuncture are so fine that several of them can fit inside a hypodermic needle.
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  • Dogs seem to show little sensitivity to the insertion of the needle.
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  • I bought this for $99.00 three years ago off the TV, but I did use the heavy duty needle that came with it.
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  • These machines have a needle bar that holds from one to fourteen needles.
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  • A single needle is used to make fine, delicate lines and shading.
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  • Each needle extends a couple of millimeters beyond its own ink reservoir, which is loaded with a small amount of ink.
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  • An autoclave, a regulated high-temperature steamer that kills blood-borne pathogens and bacterial agents, is used to sterilize the needle bar and reservoirs before each tattoo session.
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  • Chilian Needle Tree (Rhaphithamnus Cyanocarpus) - A shrub or small tree of much beauty, but too tender for any save favoured districts.
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  • D. serratifolia from Chili is a loosely branched shrub covered with stout thorns an inch or more long and sharp as a needle.
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  • Add straw or pine needle mulch over the top of the container.
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  • Cover the top of the plants with three to four inches of pine needle or straw mulch.
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  • Pine needle mulch is an attractive alternative to standard bark mulch for many reasons.
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  • Pine needle mulch comes from the actual needles of pine trees, and also goes by the name of pine straw.
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  • Pine needle mulch comes in round or square bales, sized from 3 to 6 cubic feet.
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  • Well over fifty songs are available here including some of Young's most famous hits like The Needle and the Damage Done, Old Man, Hey, Hey, My, My, Tonight's the Night, White Line and many more.
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  • Apply some glue to the carpet fabrics and set it back in place, sew the snag back in place with needle and thread or simply replace the tile with a new one.
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  • Once you've finished the safety guidelines above, the actual repairs usually require nothing more than a standard screwdriver, wire strippers and sometimes a pair of heavy duty needle nose pliers.
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  • Traveler Tailored Fit Wrinkle-Free Shirt in Light Blue/White Fine Line Stripe is a tapered cut shirt that is made from single needle construction.
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  • You may need to adjust your needle size slightly depending on the yarn you choose.
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  • The company states that this is a suggestion only, Blue Sky Alpaca organic yarn works well on any size needle.
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  • If you're handy with a needle and thread, you can easily shorten the sleeves yourself.
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  • They do require some extra work, because you have to use a special cable needle and count those stitches in addition to the ones on the body of the sweater.
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  • Tracking down polka dot plus size bras is a bit like finding a needle in a haystack - perhaps not quite so difficult, but also not as simple as, say, finding a simple neutral bra or a sexy push-up bra for a glamorous evening out.
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  • If you're handy with a needle, you might consider whipping up your own top and capris for the summer to guarantee something a bit more original with a vintage flair - capris first hit the scene in the 1950s, a style that suits curves well.
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  • In today's hectic world, generations within any community liken meeting new friends and potential mates to searching for the proverbial haystack-buried needle.
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  • In reference to the puzzles, it's important to keep track of the maps so that you don't end up missing something tiny that causes you to search for a needle in a haystack later.
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  • At the starting line, rev you engine and keep the needle just before the red on your RPM meter.
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  • For the first time the sewing needle moved vertically rather than horizontally through fabric.
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  • By working the treadle board back and forth, the needle was powered to rise and fall through the fabric.
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  • Singer was one of the first manufacturer's to offer a personal sewing machine to replace the labor-intensive task of sewing with needle and thread.
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  • In the 1850s Singer developed a machine where the needle moved in an up and down motion through the fabric rather than the side to side motion that had been used previously.
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  • Put the fabric under the needle and lower the presser foot.
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  • Repeat this action as long as you want the needle to move.
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  • Make sure your needle is in correctly if you are experiencing skipped stitches.
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  • If your fabric is snagging go ahead and change the needle.
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  • The site gives advice on the two most important parts of the machine, the needle and thread, as well as tension adjustments.
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  • In this procedure, a small needle is inserted into the spinal cavity in the lower back to withdraw some cerebrospinal fluid and to look for leukemic cells.
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  • If the cancer cells have invaded the brain, then chemotherapeutic drugs may be put into the fluid that surrounds the brain through a needle in the brain or back.
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  • Healthy marrow from the donor is then given to the patient through a needle in a vein to replace the destroyed marrow.
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  • The marrow that was frozen is then thawed and given back to the patient through a needle in a vein.
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  • Lumbar puncture-A procedure in which the doctor inserts a small needle into the spinal cavity in the lower back to withdraw spinal fluid for testing.
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  • The needle is inserted between two vertebrae and through the tough tissue in front of the spinal column.
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  • Using a long, thin needle inserted into the lower back to withdraw spinal fluid (lumbar puncture) will reveal increased white blood cells and no bacteria (aseptic meningitis).
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  • A needle or narrow tube may be inserted either directly through the skin and muscle or through a small incision and passed into the liver for collection of a sample of liver tissue.
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  • Lumbar puncture is performed by inserting the needle between the fourth and fifth lumbar vertebrae (L4-L5).
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  • If the bleeding does not stop at the needle puncture site, or hours to days later, there are signs of infection (redness and swelling), then parents should contact a doctor.
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  • In the electromyogram, a very thin, sterilized needle is inserted into various muscles, usually those affected most by spasticity symptoms.
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  • The needle is attached by wires to a recording machine.
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  • First, a catheter (thin, flexible tube) is inserted through a needle and guided into the spinal canal, close to where pain pathways enter the spinal cord.
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  • Medication can be filled and refilled in the pump by inserting a needle through the skin into a filling port (called a diaphragm) in the center of the pump.
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  • Amniocentesis-A procedure performed at 16-18 weeks of pregnancy in which a needle is inserted through a woman's abdomen into her uterus to draw out a small sample of the amniotic fluid from around the baby for analysis.
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  • These drugs can be given by mouth or through a needle in the vein (intravenously) for very ill patients.
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  • A small needle or lancet is used to prick the finger or alternate site and a drop of blood is collected on a test strip that is inserted into a monitor.
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