Mercury sentence example

mercury
  • Mercury is found in New South Wales and Queensland.
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  • The largest pond is as sensitive to atmospheric changes as the globule of mercury in its tube.
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  • The principal mining product is mercury, extracted at Idria, while iron and copper ore, zinc and coal are also found.
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  • The current can be passed into and out of the movable coil by permitting the ends of the coil to dip into two mercury cups.
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  • Another form of receiver can be made depending on the properties of mercury vapour.
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  • This is true not only of the major planets Mercury, Venus, the Earth, Mars, Jupiter, Saturn, Uranus and Neptune; it is also true of the host of more than five hundred minor planets.
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  • Then he treated oil of vitriol in the same way, but got nothing until by accident he dropped some mercury into the liquid, when "vitriolic acid air" (sulphur dioxide) was evolved.
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  • Though an alchemist, Boyle, in his Sceptical Chemist (1661), cast doubts on the " experiments whereby vulgar Spagyrists are wont to endeavour to evince their salt, sulphur and mercury to be the true principles of things," and advanced towards the conception of chemical elements as those constituents of matter which cannot be further decomposed.
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  • In the same way the arrangements finally elaborated by Lodge and Muirhead consisted of a direct coupled antenna and nearly closed condenser circuit, and a similar receiving circuit containing as a detector the steel wheel revolving on oily mercury which actuated a siphon recorder writing signals on paper tape.
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  • Mercury is a fluid, volatile, spiritual essence.
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  • The atomist has an easy answer; he says that the new body is made up by the juxtaposition of the atoms of iodine and mercury, which still exist in the red powder.
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  • The mercury vapour then possesses a unilateral conductivity, and can be used to filter off all those oscillations in a train which pass in one direction and make them readable on an ordinary galvanometer.
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  • The apparatus, after having been carefully cleaned and dried, is charged with pure and dry mercury which must next be worked backwards and forwards between A and B to remove all the air-bells.
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  • The cock is now shut against both communications, the reservoir lifted, the gas contents of A discharged and so on, until, when after an exhaustion mercury is let into A, the metal strikes against the top without interposition of a gas-bell.
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  • An absolute vacuum cannot be produced on account of the unavoidable air-film between the mercury and the walls of the apparatus.
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  • Every drop of mercury, as it enters from the funnel, entirely closes the narrow tube like a piston, and in going past the place where the side tube enters entraps a portion of air and carries it down to the trough, where it can be collected.
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  • If the vertical tube, measuring from the point where the branch comes in, is a few inches greater than the height of the barometer, and the glass and mercury are perfectly clean, the apparatus slowly but surely produces an almost absolute vacuum.
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  • The principle of applying metallic films to glass seems to have been known to the Romans and even to the Egyptians, and is mentioned by Alexander Neckam in the 12th century, but it would appear that it was not until the 16th century that the process of " silvering " mirrors by the use of an amalgam of tin and mercury had been perfected.
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  • Silicon tetraiodide, Si14, is formed by passing iodine vapour mixed with carbon dioxide over strongly-heated silicon (C. Friedel, Comptes rendus, 1868, 67, p. 98); the iodo-compound condenses in the colder portion of the apparatus and is purified by shaking with carbon bisulphide and with mercury.
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  • Silicobenzoic acid, C 6 H 5 S10.0H, results from the action of dilute aqueous ammonia on phenyl silicon chloride (obtained from mercury diphenyl and silicon tetrachloride).
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  • Silver vapour is blue, potassium vapour is green, many others (mercury vapour, for instance) are colourless.
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  • Very thin films of liquid mercury, according to Melsens, transmit light with a violet-blue colour; also thin films of copper are said to be translucent.
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  • The latent heat of vaporization of mercury was found by Marignac to be 103 to 106.
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  • Mercury and copper and some other metals are capable of dissolving their own oxides.
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  • Mercury, by doing so, becomes viscid and unfit for its ordinary applications.
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  • Mercury, if pure, and all the "noble" metals (silver, gold, platinum and platinum-metals), are absolutely proof against water even in the presence of oxygen and carbonic acid.
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  • A group (C) may be formed of mercury, silver, gold and platinum, which are not touched by either aqueous acid in any circumstances.
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  • Mercury, within XVIII.7 a a certain range of temperatures situated close to its boiling point, combines slowly with oxygen into the red oxide, which, however, breaks up again at higher temperatures.
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  • All chlorides, except those of silver and mercury (and, of course, those of gold and platinum), are oxidized by steam at high temperatures, with elimination of hydrochloric acid.
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  • Thus water being about Boo times denser than air and mercury 13.6 times denser than water, k/h = 6,/p = 800 X 13.6 = Io,880; (2) and with an average barometer height of 30 in.
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  • It is chemically related to cadmium and mercury, the resemblance to cadmium being especially well marked; one distinction is that zinc is less basigenic. Zinc is capable of isomorphously replacing many of the bivalent metals - magnesium, manganese, iron, nickel, cobalt and cadmium.
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  • They are all strong bases, readily forming salts with the mineral acids and double salts with the chlorides of gold, platinum and mercury.
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  • On the other hand the enigmatical motion of the perihelion of Mercury has not yet found any plausible explanation except on the hypothesis that the gravitation of the sun diminishes at a rate slightly greater than that of the inverse square - the most simple modification being to suppose that instead of the exponent of the distance being exactly - 2, it is - 2.000 000 161 2.
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  • It is certain that, in the general average, year after year, the force with which Mercury is drawn toward the sun does vary from the exact inverse square of its distance from the sun.
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  • The most plausible explanation of this is that one or more masses of matter move around the sun, whose action, whether they are inside or outside the orbit of Mercury, would produce the required modification in the force.
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  • From an investigation of all the observations upon Mercury and the other three interior planets, Simon Newcomb found it almost out of the question that any such mass of matter could exist without changing either the figure of the sun itself or the motion of the planes of the orbits of either Mercury or Venus.
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  • It is in this sandstone that the rich mercury mines of Huancavelica are worked.
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  • The metal generally occurs as sulphide of mercury (cinnabar), but the ores vary greatly in richness - from 21 to 20%.
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  • Moestlin and his pupil Kepler - the latter applying it in 1607 to the observation of a transit of Mercury - also by Johann Fabricius, in 1611, for the first observations of sun-spots.
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  • It generally happens that much of the mercury column is outside the flask and consequently at a lower temperature than the bulb, hence a correction of the observed temperature is necessary.
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  • Large chambers are also used in the condensation of mercury.
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  • By electrolysing an aqueous solution of the chloride with a mercury cathode, a liquid and a solid amalgam, SrHgn, are obtained; the latter on heating gives a mixture of Sr 2 Hg 5 and SrHg 5, and on distillation an amalgam passes over, and not the metal.
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  • Mercury mines have begun to be worked; other minerals are known to exist.
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  • Between it and other ports in the Caspian communication is maintained by the mail-steamers of the Caucasus and Mercury Steam Navigation Company and many vessels of commercial firms with head offices chiefly at Baku.
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  • There are mines of chrome, mercury, cinnabar, argentiferous lead and rock salt.
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  • Silver, gold, copper, mercury, lead, tin, antimony and precious stones are found, in some cases in very rich deposits.
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  • He was the first to employ mercury for the air-pump, and devised a method of determining longitude at sea by observations of the moon among the stars.
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  • Soon after the introduction of the literary journal in England, one of a more familiar tone was started by the eccentric John Dunton in the Athenian Gazette, or Casuistical Mercury, resolving all the most Nice and Curious Questions (1689-1690 to 1695-1696), afterwards called The Athenian Mercury, a kind of forerunner of Notes and Queries, being a penny weekly sheet, with a quarterly critical supplement.
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  • When a solution of silver nitrate is poured on to metallic mercury, the mercury replaces the silver in the solution, forming nitrate of mercury, and the silver is precipitated; it does not, however, appear as pure metallic silver, but in the form of crystalline needles of an alloy of silver and mercury.
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  • It is probable that all the alloys of compositions between B and D, when they begin to solidify, deposit crystals of the compound; the lower eutectic B probably corresponds to a solid complex of mercury and the compound.
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  • In the cases of aluminium dissolved in tin and of mercury or bismuth in lead, it is at least probable that the molecules in solution are Al 2j Hg 2 and Bit respectively, while tin in lead appears to form a molecule of the type Sn4.
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  • With regard to the history of the metallurgy of gold, it may be mentioned that, according to Pliny, mercury was employed in his time both as a means of separating the precious metals and for the purposes of gilding.
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  • The atomic weight of gold was first determined with accuracy by Berzelius, who deduced the value 195.7 (H= i) from the amount of mercury necessary to precipitate it from the chloride, and 195.2 from the ratio between gold and potassium chloride in potassium aurichloride, KAuC1 4.
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  • The alloy with mercury-gold amalgam-is so readily formed that mercury is one of the most powerful agents for extracting the precious metal.
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  • The upper end contains a perforated riddle plate which is placed directly over the riffle box, and under certain circumstances mercury may be placed behind the riffles.
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  • Copper plates amalgamated with mercury are also used when the gold is very fine, and in some instances amalgamated silver coins have been used for the same purpose.
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  • These are paved with stone blocks or lined with mercury riffles, so that from the greatly reduced velocity of flow, due to the sudden increase of surface, the finer particles of gold may collect.
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  • The loss of mercury is about the same, from 5 to 6 cwt.
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  • It then passes through screens and grizzlies to retain the coarse gravel, the finer material passing on to sluice boxes provided with riffles, supplied with mercury.
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  • When the ore does not contain any considerable amount of free gold mercury is not, as a rule, used during the crushing, but the amalgamation is carried out in a separate plant.
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  • The most primitive is the rubbing together of the concentrated crushings with mercury in iron mortars.
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  • This consists of a cast-iron pan having a shallow cylindrical bottom holding mercury, in which a wooden muller, nearly of the same shape as the inside of the pan, and armed below with several projecting blades, is made to revolve by gearing wheels.
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  • The stuff from the stamps is conveyed to the middle of the muller, and is distributed over the mercury, when the gold subsides, while the quartz and lighter materials are guided by the blades to the circumference and are discharged, usually into a second similar mill, and subsequently pass over blanket tables, i.e.
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  • One of the greatest difficulties in the treatment of gold by amalgamation, and more particularly in the treatment of pyrites, arises from the so-called " sickening " or " flouring " of the mercury; that is, the particles, losing their bright metallic surfaces, are no longer capable of coalescing with or taking up other metals.
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  • Henry Wurtz in America (1864) and Sir William Crookes in England (1865) made independently the discovery that, by the addition of a small quantity of sodium to the mercury, the operation is much facilitated.
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  • It is also stated that sodium prevents both the " sickening " and the " flouring " of the mercury which is produced by certain associated minerals.
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  • The amalgam is first pressed in wetted canvas or buckskin in order to remove excess of mercury.
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  • Though he lived in an atmosphere of alchemy, he derided the notion of the alkahest or universal solvent, and denounced the deceptions of the adepts who pretended to effect the transmutation of metals; but he believed mercury to be a constituent of all metals and heavy minerals, though he held there was no proof of the presence of "sulphur comburens."
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  • The general nature of the phenomena is thus easily understood; but it is at a maximum at pressures comparable with a millimetre of mercury, at which the free path is still small, the greater number of molecules operating in intensifying the result.
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  • Many amalgams are formed by the direct contact of a metal with mercury, sometimes with absorption, sometimes with evolution, of heat.
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  • Other methods are to place the metal and mercury together in dilute acid, to add mercury to the solution of a metallic salt, to place a metal in a solution of mercuric nitrate, or to electrolyse a metallic salt using mercury as the negative electrode.
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  • Some amalgams are liquids, especially when containing a large proportion of mercury; others assume a crystalline form.
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  • In some cases definite compounds have been isolated from amalgams which may be regarded as mixtures of one or more of such compounds with mercury in excess.
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  • In general these compounds are decomposable by heat, but some of them, such as those of gold, silver, copper and the alkali metals, even when heated above the boiling point of mercury retain mercury and leave residues of definite composition.
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  • But as the orbits are not centred on the sun, which is in a focus of each, the displacement of the seeming circle would be readily seen in the case of Mercury and of Mars.
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  • The substance whose volume is to be determined is placed in the cup PE, and the tube PC is immersed in the vessel of mercury D, until the mercury reaches the mark P. The plate E is then placed on the cup, and the tube PC raised until the surface of the mercury in the tube stands at M, that in the vessel D being at C, and the height MC is measured.
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  • The vessel is completely filled with mercury, the capillary sealed, and the vessel weighed.
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  • Mercury is expelled, and when this expulsion ceases, the vessel is removed, allowed to cool, and weighed.
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  • It is necessary to determine the pressure exerted on the vapour by the mercury in the narrow limb; this is effected by opening the capillary and inclining the tube until the mercury just reaches the top of the narrow tube; the difference between FIG.
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  • To prevent the bottom of the apparatus being knocked out by the impact of the substance, a layer of sand, asbestos or sometimes mercury is placed in the tube.
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  • The vapour is circulated through the jacket, and the height of the mercury read by a cathetometer or otherwise.
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  • It ascends the tube, the substance is rapidly volatilized, and the mercury column is depressed; this depression is read off.
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  • The vapour tension of mercury need not be taken into account when water is used in the jacket.
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  • All parts of the apparatus are open to the air, and the mercury in the manometer is adjusted so as to come to a fixed mark a.
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  • The substance is now placed on the support already mentioned, and the apparatus closed to the air by inserting the cork at D and turning the cock C. By turning or withdrawing the support the substance enters the bulb; and during its vaporization the free limb of the manometer is raised so as to maintain the mercury at a.
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  • When the volatilization is quite complete, the level is accurately adjusted, and the difference of the levels of the mercury gives the pressure exerted by the vapour.
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  • It alloys with iron, molybdenum and tungsten, but not with silver or mercury.
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  • In the second portion the carbonic acid is driven out by means of a current of hydrogen, collected over mercury and absorbed by caustic potash.
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  • The principle is to have a constriction in the tube above the bulb so proportioned that when the instrument is upright it acts in every way as an ordinary mercurial thermometer, but when it is inverted the thread of mercury breaks at the constriction, and the portion above the point runs down the now reversed tube and remains there as a measure of the temperature at the moment of turning over.
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  • For convenience in reading, the tube is graduated inverted, and when it is restored to its original position the mercury thread joins again and it acts as before.
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  • It has the advantage over the thermometer on Six's principle that, being filled with mercury, it does not require such long immersion to take the temperature of the water.
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  • A correction has, of course, to be made for the expansion or contraction of the mercury thread if the temperature of reading differs much from that of reversing.
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  • In both forms it is usual to have the space between the bulb and the protecting sheath partly filled with mercury or alcohol to act as a conductor and reduce the time necessary for the thermometer to acquire the temperature of its surroundings.
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  • There are many thousands of lines in the mercury spectrum, so that from this evidence it would appear that for mercury vapour n ought to be very great, and y almost equal to unity.
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  • The first two books contain the allegory proper - the marriage of Mercury to a nymph named Philologia.
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  • The tetroxide, 0s04, can be easily reduced to the metal by dissolving it in hydrochloric acid and adding zinc, mercury, or an alkaline formate to the liquid, or by passing its vapour, mixed with carbon dioxide and monoxide, through a red-hot porcelain tube.
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  • The trichloride, OsC1 3, is only known in solution and is formed by the reducing action of mercury on ammoniacal solutions of the tetroxide.
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  • These lines isolate certain swellings or monticuli, the largest of which is (I) the ball of the thumb, called the mountain of Venus; (2) that at the base of the index finger is the mountain of Jupiter; (3) at the root of the middle finger is the mountain of Saturn, while those at the bases of ring and little finger are respectively the mountains of the (4) Sun and (5) of Mercury.
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  • Above the mountain of Mercury, and between the lines of head and heart is (6) the mountain of Mars, and above the line of the heart is (7) the mountain of the Moon.
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  • The greater of the two temples was sacred to Jupiter (Baal), identified with the Sun, with whom were associated Venus and Mercury as a-p,u co,uoc Beni.
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  • In the mercury experiment the sounding rod was sealed into the dust-tube, which was exhausted of air, and contained only some mercury and some quartz dust to give the heaps.
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  • It was placed in a high temperature oven, where the mercury was evaporated.
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  • The circuit of the electro-magnet is made and broken by the vibration of the fork in different ways - say, by a wire bridge attached to the lower prong which dips into and lifts out of two mercury cups.
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  • The mercury level is so adjusted that the circuit is just not made when the fork is at rest.
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  • But partly owing to the delay in making contact through the carriage down of air on the contact piece, and partly owing to the delay in establishing full current through selfinduction, the attracting force does not rise at once to its full value in the outgoing journey, whereas in the return journey the mercury tends to follow up the contact piece, and the full current continues up to the instant of break.
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  • As the giver of luck he became a deity of gain and commerce (KEpS ios, 6.yopa70s), an aspect which caused his identification with Mercury, the Roman god of trade.
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  • In this meter the electrolyte is a solution of mercurous nitrate which is completely enclosed in a glass tube of a particular form, having a mercury anode and a platinum or carbon cathode.
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  • The current is determined by measuring the volume of the mercury delivered at the cathode.
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  • It consists of an electromagnet within the iron core of which is a flat disk-like cavity containing mercury, the sides of the cavity being stamped with grooves.
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  • The thin disk of mercury is therefore traversed perpendicularly by lines of magnetic force when the magnet is excited.
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  • The current to be measured is passed through the coils of the electromagnet, then enters the mercury disk at the centre, flows through it radially in all directions, and emerges at the periphery.
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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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  • The rotation of the mercury is detected and measured by means of a small vane of platinum wire immersed in it, the shaft of this vane being connected by an endless screw with a counting mechanism.
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  • It follows that the number of the revolutions the mercury makes in a given time is proportional to the quantity of electricity which is passed through the meter.
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  • The armature is immersed in a shallow vessel filled with mercury, which is insulated from the vessel and the armature, except at the ends of the copper strips.
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  • Thus Mercury, as the planet nearest the sun, obtained Virgo, the sign adjacent to Leo, with the corresponding lunar house in Gemini; Venus had Libra (solar) and Taurus (lunar); and so for the rest.
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  • Davy, inspired by his successful isolation of the metals sodium and potassium by the electrolysis of their hydrates, attempted to decompose a mixture of lime and mercuric oxide by the electric current; an amalgam of calcium was obtained, but the separation of the mercury was so difficult that even Davy himself was not sure as to whether he had obtained pure metallic calcium.
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  • Electrolysis of lime or calcium chloride in contact with mercury gave similar results.
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  • Henri Moissan obtained the metal of 99% purity by electrolysing calcium iodide at a low red heat, using a nickel cathode and a graphite anode; he also showed that a more convenient process consisted in heating the iodide with an excess of sodium, forming an amalgam of the product, and removing the sodium by means of absolute alcohol (which has but little action on calcium), and the mercury by distillation.
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  • By the addition of sodium amalgam to a concentrated solution of ammonium chloride, the so-called ammonium amalgam is obtained as a spongy mass which floats on the surface of the liquid; it decomposes readily at ordinary temperatures into ammonia and hydrogen; it does not reduce silver and gold salts, a behaviour which distinguishes it from the amalgams of the alkali metals, and for this reason it is regarded by some chemists as being merely mercury inflated by gaseous ammonia and hydrogen.
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  • There is also another poem attributed to Potocki called the New Mercury.
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  • His first book on the subject was The Sceptical Chemist, published in 1661, in which he criticized the "experiments whereby vulgar Spagyrists are wont to endeavour to evince their Salt, Sulphur and Mercury to be the true Principles of Things."
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  • Algeria is rich in minerals, found chiefly in the department of Constantine, where iron, lead and zinc, copper, calamine, antimony and mercury mines are worked.
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  • In the case of the Clark standard cell above mentioned the elements are mercury and zinc separated by a paste of mercurous sulphate mixed with a saturated solution of zinc sulphate.
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  • Then, by the use of another piece of platinum as anode, mercury is electrolytically deposited upon the platinum, which may also be amalgamated by making it white hot in a Bunsen flame and plunging it in mercury.
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  • To prepare the cadmium amalgam, one part of pure cadmium is dissolved in six parts of pure mercury, and the product while warm and fluid is placed in one limb of the cell and warmed, to ensure perfect contact with the platinum wire.
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  • The mercurous sulphate must be free from acid, and made neutral by trituration with finely divided mercury.
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  • The cell has the electromotive force above stated if the amalgam of cadmium has from 6 to 13 parts of mercury to I of cadmium.
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  • The former, "fire-air," or oxygen, he prepared from "acid of nitre," from saltpetre, from black oxide of manganese, from oxide of mercury and other substances, and there is little doubt but that he obtained it independently a considerable time before Priestley.
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  • This latter is represented by the weight of a column of mercury 760 mm.
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  • Gold is found in Chihuahua, Durango, Guanajuato, Guerrero, Jalisco, Mexico, Morelos, Oaxaca, Puebla, Sinaloa, Sonora, Vera Cruz, Zacatecas, and to a limited extent in other states; silver in every state and territory except Campeche, Chiapas, Tabasco, Tlaxcala and the Yucatan peninsula; copper in Lower California, Guanajuato, Guerrero, Jalisco, Michoacan, Sonora, Tamaulipas and some other states; mercury chiefly in Guanajuato, Guerrero, San Luis Potosi, Vera Cruz and Zacatecas; tin in Guanajuato; coal, petroleum and asphalt in 20 states, but chiefly in Coahuila, Hidalgo, Michoacan, Oaxaca, Puebla, Sonora, Tabasco, Tamaulipas and Vera Cruz; iron in Durango, Hidalgo, Oaxaca and other states; and lead in Hidalgo, Queretaro and in many of the silver-producing districts.
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  • That of Mercury was actually seen by Gassendi in Paris on the 7th of November 1631 (being the first passage of a planet across the sun ever observed); that of Venus, predicted for the 6th of December following, was invisible in western Europe.
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  • As this comet is almost the only one that passes within the orbit of Mercury, it is quite possible that it alone would show the effect of such a medium.
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  • After his death (which occurred soon after that of his friend) these were purchased by Dr Worthington, of Cambridge; and from his hands the treatise Venus in sole visa passed into those of Hevelius, and was published by him in 1662 with his own observations on a transit of Mercury.
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  • Its aqueous solution is not an electrolyte, and consequently does not give the reactions of the mercury and cyanogen ions.
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  • When heated it yields mercury, cyanogen and paracyanogen.
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  • The silver and mercury salts, when heated, yield the metal, with liberation of carbon dioxide and formation of free formic acid; and the ammonium salt, when distilled, gives some formamide, Hconh 2.
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  • The minerals discovered in Guatemala include gold, silver, lead, tin, copper, mercury, antimony, coal, salt and sulphur; but it is uncertain if many of these exist in quantities sufficient to repay exploitation.
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  • The chief metalliferous deposits of the range are of mercury at New Almaden, not far south of San Francisco.
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  • The ore of mercury had been discovered in California before the epoch of the gold excitement, and was being extensively worked, the yield in the year1850-1851being nearly 2,000,000 lb.
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  • In the Egyptian astronomy, the order of the planets, beginning with the most remote, is Saturn, Jupiter, Mars, the Sun, Venus, Mercury, the Moon.
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  • In like manner the first hour of the 3rd day would fall to the Moon, the first of the 4th day to Mars, of the 5th to Mercury, of the 6th to Jupiter, and of the 7th to Venus.
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  • It is usually made of glass, the lower bulb being loaded with mercury or small shot which serves as ballast, causing the instrument to float with the stem vertical.
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  • The quantity of mercury or shot inserted depends upon the density of the liquids for which the hydrometer is to be employed, it being essential that the whole of the bulb should be immersed in the heaviest liquid for which the instrument is used, while the length and diameter of the stem must be such that the hydrometer will float in the lightest liquid for which it is required.
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  • But, instead of employing a number of instruments differing only in the weights with which they are loaded, we may employ the same instrument, and alter its weight either by adding mercury or shot to the interior (if it can be opened) or by attaching weights to the exterior.
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  • The instrument is provided with an additional piece, or "plongeur," the weight of which exceeds 5 grammes by the weight of water which it displaces; that is to say, it is so constructed as to weigh 5 grammes in water, and consists of a glass envelope filled with mercury.
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  • If the mercury in the thermometer stand above this zero the spirit must be reckoned weaker than the hydrometer indicates by the number on the thermometer scale level with the top of the mercury, while C f if the thermometer indicate a temperature a? ?!
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  • It is also very useful as a supplement to mercury, which needs a saline aperient to complete its action.
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  • The salt should be given a few hours after the mercury, e.g.
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  • The imports consist principally of machinery, coal, grain, dried fish, tobacco and hides, and the exports of hemp, hides, olive oil, soap, coral, candied fruit, wine, straw hats, boracic acid, mercury, and marble and alabaster.
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  • He experimented with an air-thermometer, in which the temperature was defined by measurement of the length of a column of mercury; and he pointed out that the extreme cold of such a thermometer would be that which reduced the "spring" of the air to nothing, thus being the first to recognize that the use of air as a thermometric substance led to the inference of the existence of a zero of temperature.
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  • In 1704 he noted that barometers are affected by heat as well as by the weight of the atmosphere, and in the following year he described barometers without mercury, for use at sea.
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  • One of the most interesting examples is that furnished by the green mercury line, which when examined by a powerful echelon spectroscope splits up into a number of constituents which have been examined by several investigators.
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  • The spectra of magnesium, calcium, zinc, cadmium and mercury, give the two branch series, and each series is repeated three times with constant difference of frequency.
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  • The cadmium line having a wave-length of 2288 A broadens by pressure equally in both directions, but if mercury be added the broadening is more marked on the less refrangible side.
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  • Other works are A Discourse concerning a New Planet (1640); Mercury, or the Secret and Swift Messenger (1641), a work of some ingenuity on the means of rapid correspondence; and Mathematical Magick (1648).
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  • The oxide and carbonate of magnesium are also invaluable as antidotes, since they form insoluble compounds with oxalic acid and salts of mercury, arsenic, and copper.
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  • Lapis-lazuli and mercury are among the minor mineral products of the country.
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  • It may be compared directly with that of the pure solvent, as the vapourpressure of a pure liquid is determined, by placing solvent and solution respectively above the mercury in two barometer tubes, and comparing the depressions of the mercury with the height of a dry barometer at the same temperature.
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  • In order to secure tightness in spite of cracks, mercury was placed in the bends.
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  • The same value had previously been found for mercury vapour by Kundt and Warburg, and had been regarded as confirmatory of the monatomic character attributed on chemical grounds to the mercury molecule.
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  • Most of the weight of the instrument is floated on mercury contained in three troughs (c, c, c) which form part of the cast-iron base.
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  • This remarkable debut excited much attention, and, on the recommendation of Francois Arago, he took in hand the theory of Mercury, producing, in 1843, vastly improved tables of that planet.
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  • They are also partly caused by the large uncertainties of the corrections, especially those of the mercury thermometers under the peculiar conditions of the experiment.
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  • In the case of mercury he employed a column in a glass tube 13 mm.
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  • The top of the mercury was heated by steam, the lower end rested on an iron plate cooled by ice.
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  • The temperature at different heights was measured by iron wires forming thermo-junctions with the mercury in the inner tube.
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  • The heat-flow through the central column amounted to about 7.5 calories in 54 seconds, and was measured by continuing the tube through the iron plate into the bulb of a Bunsen ice calorimeter, and observing with a chronometer to a fifth of a second the time taken by the mercury to contract through a given number of divisions.
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  • The calorimeter tube was calibrated by a thread of mercury weighing 19 milligrams, which occupied eighty-five divisions.
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  • An additional difficulty arises in the case of observations made with long mercury thermometers buried in vertical holes, that the correction for the expansion of the liquid in the long stems is uncertain, and that the holes may serve as channels for percolation, and thus lead to exceptionally high values.
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  • Other varieties contain small amounts of mercury, tin, manganese or thallium.
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  • The idea of the pressure of the air and the invention of the instrument for measuring it were both new when he made his famous experiment, showing that the height of the mercury column in a barometer decreases when it is carried upwards through the atmosphere.
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  • C. t has for its subject pavements and roads, their construction, mosaic floors; c. 2 is on white stucco for walls (opus albarium); c. 3 on concrete vaults, gypsum mouldings, stucco prepared for painting; c. 4 on building of hollow walls to keep out the damp, wall decoration by various processes; c. 5 on methods and styles of wall painting, the debased taste of his time; c. 6 on fine stucco made of pounded marble - three coats to receive wall paintings; c. 7 on colours used for mural decoration; c. 8 on red lead (minium) and mercury, and how to use the latter to extract the gold from wornout pieces of stuff or embroidery; c. 9 on the preparation of red lead and the method of encaustic painting with hot wax, finished by friction; cc. to-14 on artificial colours - black, blue, purple;, c. to white lead and ostrum, i.e.
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  • In 1857 a votive altar dedicated to Jupiter, Mars and Mercury was unearthed, and is now in the Provincial Museum at Bonn.
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  • Almaden, the Sisapon of the Romans, is celebrated for its mercury mines, which were extensively wrought by the Romans and Moors, and are still productive, the ore increasing in richness with the depth of the descent.
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  • The mines ranked with those of Adria, in South Austria, as the most valuable in the world, until the great development of the mercury deposits at New Almaden, in California, U.S.A., between 1853 and 1857.
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  • Riegler (ibid., 18 94, 33, p. 49) decomposes urea solutions by means of mercury dissolved in nitric acid, and measures the evolved gas.
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  • In the intra-andine depression, between the East and West Cordilleras, recent deposits with plant remains occur near Loja, and to the north-east of Cuenca is a sandstone containing mercury ores, somewhat similar to that of Peru.
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  • The metals, which by combination with oxygen became oxides, were antimony, silver, arsenic, bismuth, cobalt, copper, tin, iron, manganese, mercury, molybdenum, nickel, gold, platinum, lead, tungsten and zinc; and the "simple earthy salifiable substances" were lime, baryta, magnesia, alumina and silica.
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  • The bottom of the trough is covered with mercury.
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  • The sodium as it is formed at the cathode at once dissolves in the mercury which protects it against the action of the water as long as the percentage of sodium in the mercury does not exceed, say, 0.02%.
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  • At the same time fresh mercury, from which the sodium had been previously extracted, flows from the other outside compartment into the central one.
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  • The moon's apparent mean motion in longitude seems also to indicate slow periodic changes in the earth's rotation; but these are not confirmed by transits of Mercury, which ought also to indicate them.
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  • On the voyage he noticed the retardation of the pendulum in approaching the equator; and during his stay on the island he observed, on the 7th of November 1677, a transit of Mercury, which suggested to him the important idea of employing similar phenomena for determining the sun's distance.
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  • He studied the whole subject of thermometry critically; he introduced the use of an accurate air-thermometer, and compared its indications with those of a mercurial thermometer, determining the absolute dilatation of mercury by heat as a step in the process.
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  • This float dips into a tank filled with mercury so that practically the entire instrument is floated by the mercury, leaving only sufficient pressure on the bearings to ensure that the pivots will remain in contact with them.
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  • Common's telescope presents many ingenious features, especially the relief-friction by flotation of the polar axis in mercury, and in the arrangements of the observatory for giving ready access to the eye-piece of the telescope.
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  • The difficulties of relief friction could probably be best overcome by a large hollow cylinder concentric with the polar axis fixed near the centre of gravity of the whole instrument and floated in mercury, on the plan adopted in the Mount Wilson 60-in.
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  • One of the chief difficulties in the practical use of the Bunsen calorimeter is the continued and often irregular movement of the mercury column due to slight differences of temperature, or pressure between the ice in the calorimeter and the ice bath in which it is immersed.
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  • If the inner bulb is filled with mercury instead of water and ice, the same arrangement answers admirably as a Favre and Silbermann calorimeter, for measuring small quantities of heat by the expansion of FIG.
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  • Rowland Himself Considered His Results To Be Probably Correct To One Part In 500, And Supposed That The Greatest Uncertainty Lay In The Comparison Of The Scale Of His Mercury Thermometer With The Air Thermometer.
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  • Surrounded By A Nickel Plated Steel Enclosure B, Forming The Bulb Of A Mercury Thermo Regulator, Immersed In A Large Water Bath Maintained At A Constant Temperature.
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  • The Outside Of The Vacuum Jacket Was Immersed In A Water Jacket At A Steady Temperature Equal To That Of The Inflowing Mercury.
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  • Specific Heat Of Mercury By Continuous Electric Method It Is Assumed As A First Approximation That The Heat Loss Is Proportional To The Rise Of Temperature Do, Provided That Do Is Nearly The Same In Both Cases, And That The Distribution Of Temperature In The Apparatus Is The Same For The Same Rise Of Temperature Whatever The Flow Of Liquid.
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  • In The Case Of Mercury The Liquid Itself Can Be Utilized To Conduct The Electric Current.
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  • The Conditions Of Use Of A Mercury Thermometer In A Calorimetric Experiment Are Necessarily Different From ' Those Under Which Its Corrections Are Determined, And This Difference Must Inevitably Give Rise To Constant Errors In Practical Work.
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  • This Appears To Be Actually The Case For Monatomic Gases Such As Mercury Vapour (Kundt And Warburg, 1876), Argon And Helium (Ramsay, 1896).
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  • The preparations of morphine are incompatible with salts of iron, copper and mercury, also with lime water and alkaline earths and substances containing tannin.
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  • Winkler discovered that an iron chain wound round the bottle could be substituted for the hand, and Sir William Watson in England shortly afterward showed that iron filings or mercury could replace the water within the jar.
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  • Mercury and Venus were also studied, and he concluded that these planets rotated on their axes in the same time as they revolved about the sun; but these views are questioned.
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  • The gas must be collected either by downward displacement, since it is soluble in water and also attacks mercury; or over a saturated salt solution, in which it is only slightly soluble.
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  • Balard determined the volume composition of the gas by decomposition over mercury on gentle warming, followed by the absorption of the chlorine produced with potassium hydroxide, and then measured the residual oxygen.
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  • Chlorine peroxide must be collected by displacement, as it is soluble in water and readily attacks mercury.
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  • In 1815, in conjunction with Alexis Therese Petit (1791-1820), the professor of physics at the Ecole Polytechnique, he made careful comparisons between the mercury and the air thermometer.
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  • For the purposes of this determination he set up a continuous column of mercury, constructed with 13 sections of glass tube each 2 metres long and 5 mm.
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  • In regard to steam, the old tower was so shaky that it was considered unwise to risk the effects of an explosion, and therefore the mercury column was removed bodily to a court in the observatory.
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  • He discussed the transits of Venus of 1761 and 1769, and those of Mercury from 1677 to 1881.
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  • He showed that light was produced when mercury was shaken up in a glass tube exhausted of its air.
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  • Canton first suggested the use of an amalgam of mercury and tin for use with glass cylinder electrical machines to improve their action.
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  • This, however, was overcome by sending the current out at the centre of the magnet by means of a short length of wire dipping into an annular groove containing mercury.
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  • Barlow, Sturgeon and others then showed that a copper disk could be made to rotate between the poles of a horseshoe magnet when a current was passed through the disk from the centre to the circumference, the disk being rendered at the same time freely movable by making a contact with the circumference by means of a mercury trough.
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  • Tetrahedrite, fahlerz, or grey copper, contains from 30 to 48% of copper, with arsenic, antimony, iron and sometimes zinc, silver or mercury.
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  • Seal Island and Penguin Island are in the bay; Ichaboe, Mercury, and Hollam's Bird islands are to the north; Halifax, Long, Possession, Albatross, Pomona, Plumpudding, and Roastbeef islands are to the south.
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  • In a similar manner, for systems used in photography, the vertex of the colour curve must be placed in the position of the maximum sensibility of the plates; G'; and to accomplish this the F and violet mercury lines are united.
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  • It is incompatible with potassium, calcium, mercury and vegetable astringents.
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  • Davy tried to electrolyse baryta, but was unsuccessful; later attempts were made by him using barium chloride in the presence of mercury.
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  • In this way he obtained an amalgam, from which on distilling off the mercury the barium was obtained as a silver white residue.
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  • Bunsen in 1854 electrolysed a thick paste of barium chloride and dilute hydrochloric acid in the presence of mercury, at 10o C., obtaining a barium amalgam, from which the mercury was separated by a process of distillation.
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  • Guntz (Comptes rendus, 1901, 133, p. 872) electrolyses a saturated solution of barium chloride using a mercury cathode and obtains a 3% barium amalgam; this amalgam is transferred to an iron boat in a wide porcelain tube and the tube slowly heated electrically, a good yield of pure barium being obtained at about looo C. The metal when freshly cut possesses a silver white lustre, is a little harder than lead, and is extremely easily oxidized on exposure; it is soluble in liquid ammonia, and readily attacks both water and alcohol.
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  • Three couches were prepared for three pairs of gods - Apollo and Latona, Hercules and Diana, Mercury and Neptune.
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  • Similar honours were paid to other divinities in subsequent times - Fortuna, Saturnus, Juno Regina of the Aventine, the three Capitoline deities (Jupiter, Juno, Minerva), and in 217, after the defeat of lake Trasimenus, a lectisternium was held for three days to six pairs of gods, corresponding to the twelve great gods of Olympus - Jupiter, Juno, Neptune, Minerva, Mars, Venus, Apollo, Diana, Vulcan, Vesta, Mercury, Ceres.
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  • This arises from its adhesion to the tube, and the upper part of the mercury sustains a considerable tension, or negative pressure, without the separation of its parts.
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  • He did not, however, enter into the explanation of particular phenomena, as this had been done already by Laplace, but he pointed out to physicists the advantages of the method of Segner and Gay Lussac, afterwards carried out by Quincke, of measuring the dimensions of large drops of mercury on a horizontal or slightly concave surface, and those of large bubbles of air in transparent liquids resting against the under side of a horizontal plate of a substance wetted by the liquid.
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  • According to the rule, water, which has the lower surface-tension, should spread upon the surface of mercury; whereas the universal experience of the laboratory is that drops of water standing upon mercury retain their compact form without the least tendency to spread.
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  • He found that mercury specially prepared behaves quite differently from ordinary mercury, and that a drop of water deposited thereon spreads over the entire surface.
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  • The process described by Quincke is somewhat elaborate; but there is little difficulty in repeating the experiment if the mistake be avoided of using a free surface already contaminated, as almost inevitably happens when the mercury is poured from an ordinary bottle.
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  • The mercury should be drawn from underneath, for which purpose an arrangement similar to a chemical wash bottle is suitable, and it may be poured into watch-glasses, previously dipped into strong sulphuric acid, rinsed in distilled water, and dried over a Bunsen flame.
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  • When the glasses are cool, they may be charged with mercury, of which the first part is rejected.
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  • Hence when a glass tube is dipped into a vessel of mercury, the mercury within the tube stands at a lower level than outside it.
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  • When two pieces of flat glass are pressed together under mercury with moderate force they cohere, the mercury leaving the narrow crevasses, even although the alternative is a vacuum.
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  • The surface-tension of mercury is greatly altered by slight changes in the state of the surface.
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  • The surface-tension of pure mercury is so great that it is very difficult to keep it clean, for every kind of oil or grease spreads over it at once.
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  • The tension of the surface of contact of mercury and dilute sulphuric acid depends on the electromotive force acting between the mercury and the acid.
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  • If the electromotive force is from the acid to the mercury the surface-tension increases; if it is from the mercury to the acid, it diminishes.
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  • Faraday observed that a large drop of mercury, resting on the flat bottom of a vessel containing dilute acid, changes its form in a remarkable way when connected with one of the electrodes of a battery, the other electrode being placed in the acid.
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  • When the mercury is made positive it becomes dull and spreads itself out; when it is made negative it gathers itself together and becomes bright again.
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  • He has constructed a capillary electrometer by which differences of electric potential less than o oi of that of a Daniell's cell can be detected by the difference of the pressure required to force the mercury to a given point of a fine capillary tube.
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  • He has also found that this action is reversible, for when the area of the surface of contact of the acid and mercury is made to increase, an electric current passes from the mercury to the acid, the amount of electricity which passes while the surface increases by one square centimetre being sufficient to decompose.
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  • The nitrates, chlorides, sugars and fats, as also the metals lead, bismuth and antimony, have a specific cohesion nearly equal to that of mercury.
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  • Water, the carbonates and sulphates, and probably phosphates, and the metals platinum, gold, silver, cadmium, tin and copper have a specific cohesion double that of mercury.
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  • He holds the doctrine that everything endowed with an apparent quality possesses an opposite occult quality in much the same terms as it is found in Latin writers of the middle ages, but he makes no allusion to the theory of the generation of the metals by sulphur and mercury, a theory generally attributed to Geber, who also added arsenic to the list.
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  • Copper, mercury, and iron ores, as also pure copper, ochre and sulphur, are found in the peninsula.
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  • It may be prepared by distilling calcium benzoate; by condensing benzene with benzoyl chloride in the presence of anhydrous aluminium chloride; by the action of mercury diphenyl on benzoyl chloride, or by oxidizing diphenylmethane with chromic acid.
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  • The heat is sufficient to keep the resulting lead oxide fused, and the porous cupel has the property of absorbing melted lead oxide without taking up any of the metallic globule, exactly in the same way that blottingpaper will absorb water whilst it will not touch a globule of mercury.
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  • Silver is widely diffused throughout nature, occurring in minute amount in sea-water, and in the mineral kingdom as the free metal, as an amalgam with mercury and as alloys with gold, platinum, copper and other metals.
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  • Silver is not oxidized by oxygen, but resembles mercury in being oxidized by ozone.
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  • The mass, along with certain proportions of water, scrap-iron and mercury, is then placed in barrels, which are made to rotate so that the several ingredients are thoroughly mixed.
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  • This solution and precipitation is continuous, and the metal formed unites with the mercury to form a semi-fluid amalgam.
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  • The amalgam is pressed in linen bags to eliminate a quantity of relatively silver-free liquid mercury (which is utilized as such in subsequent operations), and the remaining solid amalgam is subjected to distillation from iron retorts.
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  • As soon as he was able to work again he attempted to obtain the metals of the alkaline earths by the same methods as he had used for those of the fixed alkalis, but they eluded his efforts and he only succeeded in preparing them as amalgams with mercury, by a process due to Berzelius.
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  • We find moreover as emi-scientific conception of the basis of divination; the whole of nature is linked together; just as the variations in the height of a column of mercury serve to foretell the weather, so the flight of birds or behaviour of cattle may help to prognosticate its changes; for the uncultured it is merely a step to the assumption that animals know things which are hidden from man.
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  • Lead ore, tin (Ubangi basin), sulphur and mercury have been discovered.
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  • Almeria is rich in minerals, especially iron and lead; silver, copper, mercury, zinc and sulphur are also obtained.
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  • Most living bodies, it is true, are capable of reproduction, but there are many without this capacity, whilst, on the other hand, it would be difficult to draw an effective distinction between that reproduction of simple organisms which consists of a sub-division of their substance with consequent resumption of symmetry by the separate pieces, and the breaking up of a drop of mercury into a number of droplets.
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  • The large bronzes are almost the only ones which have survived from classical times, the most famous of them being the seated Mercury and the dancing Faun; the marbles reckon among their vast number the Psyche, the Capuan Venus, the portraits of Homer and Julius Caesar, as well as the huge group called the Toro Farnese (Amphion and Zethus tying Dirce to its horns), the Farnese Hercules, the excellent though late statues of the Balbi on horseback and a very fine collection of ancient portrait busts.
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  • In another room (Sala del Tesoro) was recovered a gigantic headless figure, in all probability of Mercury, also wrongly claimed at first for Leonardo, and afterwards, to all appearance rightly, for Bramante.
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  • Iron, copper, lead, mercury, cinnabar, cobalt, nickel, sulphur, arsenic and china clay also occur.
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  • This is undoubtedly the case with lead and silver, and probably with mercury also.
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  • Of the bulkier and less valuable minerals Colombia has copper, iron, manganese, lead, zinc and mercury.
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  • The pure acid (too% H2S04) cannot be prepared by boiling down a weaker acid under any pressure (at least between 3 and 300 centimetres of mercury), an acid of the composition H 2 SO 411 1 2 H 2 O or 12S03,13H20 being invariably obtained.
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  • The explosion method is unsatisfactory when the gas is contained over water, and is improved by using mercury.
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  • Gold is found in several places, and some arsenic, antimony, bismuth, manganese, mercury and sulphur.
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  • Among these subjects were the transit of Mercury, the Aurora Borealis, the figure of the earth, the observation of the fixed stars, the inequalities in terrestrial gravitation, the application of mathematics to the theory of the telescope, the limits of certainty in astronomical observations, the solid of greatest attraction, the cycloid, the logistic curve, the theory of comets, the tides, the law of continuity, the double refraction micrometer, various problems of spherical trigonometry, &c. In 1742 he was consulted, with other men of science, by the pope, Benedict XIV., as to the best means of securing the stability of the dome of St Peter's, Rome, in which a crack had been discovered.
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  • Mercury became the god, not only of the mercatores and of the grain trade, but of buying and selling in general; and it appears that, at least in the streets where shops were common, little chapels and images of the god were erected.
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  • Even more ancient is the Ayala mercury mine, near Belgrade.
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  • Nickel, mercury, manganese, graphite, marble, sulphur and oil shales are found in various regions, but the mineral resources of the country, as a whole, remain almost undeveloped.
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  • These are the basin of mercury and the spirit-level.
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  • The Babylonian computers were not only aware that Venus returns in almost exactly eight years to a given starting-point in the sky, but they had established similar periodic relations in 4 6, 59, 79 and 83 years severally for Mercury, Saturn, Mars and Jupiter.
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  • His inquiries afford the assurance of a nearly exact conformity among its members to strict gravitational law, only the moon and Mercury showing some slight, but so far unexplained, anomalies of movement.
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  • On the 7th of November 1631 Pierre Gassendi watched at Paris the passage of Mercury across the sun.
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  • Were this the case a similar inequality should be found in the observed times of the transits of Mercury.
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  • Mining is undeveloped, although the mineral resources of the state include silver, gold, mercury, lead, iron, coal, sulphur and precious stones.
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  • The famous cinnabar and mercury mines of Idria in Carniola are in Triassic beds; and the gold and silver of northern Hungary and of Transylvania are associated with the Tertiary volcanic rocks.
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  • The substitution, in 1670, of mercury for water completed the modern thermometer.
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  • Noll employed mercury thermometers, but as he worked over a small range with vapour baths, it is probable that he did not experience any trouble from immersion corrections.
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  • He states that the deviations from the formula were " quite within the limits of error introduced by the alteration of the resistance of the circuit with rise of temperature, the deviations of the mercury thermometers from the absolute scale, and the non-correction of the indications of the thermometer for the long column of mercury not immersed in the hot oil round the junctions."
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  • No European country produces so great a variety of minerals in large amount, and in the production of copper ore, lead ore and mercury Spain heads the list.
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  • The still more celebrated mercury mines of Almaden, the richest in the world till the discovery of the Californian mines of New Almaden, belong to Ciudad Real, and this province, together with that of Oviedo, furnishes the whole of the Spanish production of this mineral.
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  • By the law of the 6th of July I 859, a large number of important mines, including all the salt-works and rock-salt mines, were reserved as state property, but financial necessities compelled the government to surrender one mine after another, so that at present the state possesses only the mercury mines and some salt-works.
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  • The large furnaces for the distillation of mercury at Almaden were at one time heated solely with charcoal obtained from the Cistus ladaniferus.
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  • Of the planets five were recognized - Jupiter, Venus, Saturn, Mercury and Mars - to name them in the order in which they appear in the older cuneiform literature; in later texts Mercury and Saturn change places.
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  • In the system that passes under the name of Ptolemy, Saturn is associated with grey, Jupiter with white, Mars with red, Venus with yellow, while Mercury, occupying a peculiar place in Greek as it did in Babylonian astrology (where it was at one time designated as the planet par excellence), was supposed to vary its colour according to changing circumstances.
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  • The sun was associated with gold, the moon with silver, Jupiter with electrum, Saturn with lead, Venus with copper, and so on, while the continued influence of astrological motives is to be seen in the association of quicksilver, upon its discovery at a comparatively late period, with Mercury, because of its changeable character as a solid and a liquid.
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  • Wednesday was assigned to the planet Mercury, the equivalent of the Germanic god Woden; Thursday to Jupiter, the equivalent of Thor; and Friday to Friga, the goddess of love, who is represented by Venus among the Romans and among the Babylonians by Ishtar.
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  • Among the Arabs similar associations of lucky and unlucky days directly connected with the influence of the planets prevailed through all times, Tuesday and Wednesday, for instance, being regarded as the days for blood-letting, because Tuesday was connected with lIars, the lord of war and blood, and Wednesday with Mercury, the planet of humours.
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  • In their numerous allusions to the subtle mercury, which the one makes when treating of a means of measuring time by the efflux of the metal, and the other in a treatise on the transit of the planet, we see traces of the school in which they served their first apprenticeship. Huygens, moreover, in his great posthumous work, Cosmotheoros, seu de terris coelestibus, shows himself a more exact observer of astrological symbols than Kircher himself in his Iter exstaticum.
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  • If Mercury is in the sign of the Scorpion he will be bald, &c."
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  • Pot0000-0000, or, as he is commonly called, Pot-8-os (1773), his most celebrated son, King Fergus (1775), Joe Andrews (1778), and Mercury (1778), though several others are represented in the female line.
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  • Mercury was sire of Gohanna (1790), who was foaled in the same year as Waxy, and the two, who were both grandsons of Eclipse and both out of Herod mares, had several contests, Waxy generally getting the better of his cousin.
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  • Seeliger, published in 1906, who showed that the observed excess of motion of the perihelion of Mercury may be accounted for by the action of that portion of the matter reflecting the zodiacal light which lies nearest to the sun.
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  • The name is derived from mercurium captans, in allusion to the fact that these compounds react readily with mercuric oxide to form crystalline mercury derivatives.
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  • There are exceptions to this, however, as children are more affected in proportion by opium and some other substances, and less by mercury and arsenic. In old age also the nervous system and the tissues generally do not react so readily as in youth.
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  • Certain substances, notably digitalis, lead, mercury and strychnine, exhibit what is called a cumulative action - that is to say, when small quantities have been taken over a period of time, poisoning or an excessive action suddenly ensues.
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  • The first class includes such substances as iodine, mercury, iron, carbon, and their various compounds, and such bodies as alcohol, chloroform and chloral, all of which are found in nature or can be prepared by ordinary chemical processes of manufacture.
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  • Mercury and lead are absorbed from the bowel in considerable quantities, and are capable of inducing acute irritant poisoning as well as chronic poisoning.
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  • Lead poisons the muscular and nervous systems, and gives rise to paralysis, wasting, colic and other symptoms, while in the case of mercury, tremors, salivation, anaemia and very marked cachexia are induced.
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  • The lighting exploits advances in lighting technology, using mercury discharge lamps which are energy saving and safe.
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  • Of his rulers, Mercury is seriously afflicted in the 4th.
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  • A current cause for concern is the emission of mercury from dental amalgams.
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  • Here's Health Magazine carried out a campaign on the adverse effects of mercury amalgam some years ago.
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  • Excitation is via one or more laser sources, or via mercury arc illumination.
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  • Uranus opposes the progressed MC mid year and progressed ascendant is exactly opposite natal mercury.
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  • Ground flora includes dog's mercury, bluebell, primrose and wood avens.
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  • It is named after the Italian physicist who invented the mercury barometer in 1643.
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  • Trying to read a mercury barometer on board a ship caught in a hurricane is not easy.
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  • Mercury lamps strike and gradually brighten as they warm up - they have a distinctive cold blue light.
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  • This also helps to reduce the amount of hazardous metals e.g. cadmium, nickel and mercury, in the waste stream.
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  • In portable electronics, they avoid toxic cadmium and mercury battery waste.
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  • After some hours place the ball of amalgam in a piece of strong new calico and squeeze out any surplus mercury.
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  • Mercury thermometer A glass bulb filled with mercury is connected to a narrow evacuated glass capillary tube.
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  • A few days later on May 10th, Mercury, Venus, Jupiter and Uranus all conjoined over it.
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  • Here it is closely conjunct retrograde Mercury, the planet of exchange.
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  • Mercury was also conjunct the United Kingdom 1801 chart Mars.
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  • Mercury is the only cumulative vaporizing poison permanently implanted in the human body.
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  • However, if Jupiter as the receiving planet is in serious debility then it will confer that debility onto Mercury.
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  • The process also reduced the environmental impacts normally associated with coal combustion, such as particulate matter, sulfur dioxide and mercury.
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  • Mercury in the morning sky early October Mercury reaches greatest western elongation on September 27th.
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  • A QuickCam picture of Mercury taken 21 April 2003, 5 days past greatest eastern elongation.
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  • In 1884 " The Bristol Mercury published a series of articles entitled " The Homes of the Bristol Poor " .
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  • This is clearly not a case of Mercury falling in the exaltation of Jupiter and therefore exalting the person signified by Jupiter.
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  • Q. Could recent mercury exposure affect the developing fetus?
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  • Over 90% of the mercury stored in human tissue is from amalgam fillings.
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  • Hybrid forms such as the mercury hourglass and seemingly floating steps serve as to bridge metaphors for time and space.
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  • The mercury was deposited in the canal between 1876 and 1968 by a former canalside factory that produced detonators using mercury fulminate.
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  • The wonderful luster imparted by candlelight to the rich mercury gilding has inspired the name " The Candlelight patterns " .
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  • The interior of the cup is lined with mercury gilding.
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  • In Greek legend, Crocus was a beautiful young man who played a game of quoits in with the messenger god, Mercury.
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  • Jupiter square Mercury The square of Mercury with Jupiter shows a tendency to entertain ideas too grandiose for realization.
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  • Not only is there this huge groundswell of support from Mercury readers, we have cross-party support from local MPs.
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  • Mercury's been known to take many guises.. .
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  • Advice is available should you experience any problems or need to dispose of spilled mercury.