Knowledge for the People, Or The Plain why and Because, 第 5 篇Lilly & Wait, 1832 |
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acid gas alloy ammonia animal arch argand burner Argand lamp 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 copper crystals cubic cylinder diamond earth effect electricity employed equal evaporation experiments exposed feet fire flame fluid force friction furnace gaseous glass gold grains heat Hence horse hydrocyanic acid 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 pieces plate platinum pounds pressure produced proportion pure quantity resistance salt silver Sir Humphry Sir Humphry Davy solid steam steam-engine steel stone substances sulphuric acid surface temperature tion tons vapour velocity vessel weight wheel wool yards
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第 116 頁 - ... 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.
第 70 頁 - 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.
第 18 頁 - 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.
第 86 頁 - ... 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.
第 53 頁 - ... 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...
第 63 頁 - 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.
第 31 頁 - 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.
第 6 頁 - 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...
第 12 頁 - ... the length of the arm from the elbow to the tip of the middle finger...
第 46 頁 - The great pyramid of Egypt is composed of granite. It is 700 feet in the side of its base, and 500 in perpendicular height, and stands on eleven acres of ground. Its weight is, therefore...