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acid gas alloy ammonia animal arch argand burner Argand lamp atmosphere becomes bodies boiling Brande Bromine burning called candle carbonic acid carriage centre charcoal chemical Chemistry chlorine coal coal gas coin colour combined combustion common condensed contains cooled copper crystals cubic cylinder diamond earth effect electricity employed equal evaporation experiments exposed feet fire flame fluid force friction gaseous glass gold heat Hence horse hydrogen hydrogen gas inch increased inflammable iron lamp lead less lever light lime liquid machine manufacture mass matter mechanical melted mercury metal miles minute mixture motion muriatic acid nature nearly nitric acid oxide oxygen particles pass pendulum phosphorus piece plate platinum pound pressure produced proportion pure quantity resistance salt silver Sir Humphry Sir Humphry Davy solid specific gravity steam steam-engine steel stone substances sulphuric acid surface temperature tion vapour velocity vessel weight wheel wool yards
Page 116 - ... were succeeded by a sensation analogous to gentle pressure on all the muscles, attended by a highly pleasurable thrilling, particularly in the chest and the extremities. The objects around me became dazzling and my hearing more acute.
Page 70 - It is not, however, merely a saving of time that is gained by the 'use of the rolling press, the paper is made smoother than it would have been by beating, and the compression is so much greater, that a rolled book will be reduced to about five-sixths of the thickness of the same book, if beaten. A shelf, therefore, that will hold fifty books, bound in the usual manner, would hold nearly sixty of such, if bound in Mr.
Page 18 - THE bold encroachers on the deep Gain by degrees huge tracts of land, Till Neptune with one general sweep, Turns all again to barren strand. The multitude's capricious pranks Are said to represent the seas, Which, breaking bankers and the banks, Resume their own whene'er they please.
Page 86 - ... slept on ! and in this state was found by the kiln-man in the morning. Insensible to any pain, and ignorant of his misfortune, he attempted to rise and pursue his journey, but missing his shoe, requested to have it found ; and when he was raised, putting his burnt limb to the ground to support his body, the extremity of his legbone, the tibia, crumbled into fragments, having been calcined into lime.
Page 53 - ... matter : and the fact is proved, by holding a taper or a piece of burning phosphorus within a large flame, made by the combustion of alcohol, the flame of the candle or of the phosphorus will appear in the centre of the other flame, proving that there is oxygen, even in its interior part...
Page 63 - VIII. wore ordinarily cloth hose, except there came from Spain, by great chance, a pair of silk stockings; for Spain very early abounded with silk." Edward VI. was presented with a pair of Spanish silk stockings by his merchant, sir Thomas Gresham ; and the present was then much taken notice of.
Page 31 - ED, by acting along the whole length of the plane, CD ; and if the plane be twice as long as it is high, one pound at B, acting over the pulley, D, would balance two pounds at A, or any where on the plane • and so of all other quantities and proportions.
Page 6 - I am disposed to attribute as much as you can do, could not have existed in any state of perfection without a metallic alloy; the combining of alkali and sand, and certain clays and flints together to form glass and porcelain is a chemical process ; the colours which the artist employs to frame resemblances of natural objects, or to create combinations more beautiful than ever existed in nature are derived from chemistry; in short, in every branch of the common and fine arts, in every department...
Page 12 - ... the length of the arm from the elbow to the tip of the middle finger...