A Chymical Catechism, Or, The Application of Chymistry to the Arts: For the Use of Young People, Artists, Tradesmen and the Amusement of Leisure Hours : to which are Added a Vocabulary of Chymical Terms, Some Useful Tables, and a Variety of Amusing ExperimentsJames Humphreys, 1807 - Всего страниц: 334 |
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Стр. 30
... heat * , or by the mixture † of some other matter with the matter intended to be examined ‡ . How does the ... Heat has a tendency to separate the particles of all bodies from each other . Hence nothing more is necessary to effect the ...
... heat * , or by the mixture † of some other matter with the matter intended to be examined ‡ . How does the ... Heat has a tendency to separate the particles of all bodies from each other . Hence nothing more is necessary to effect the ...
Стр. 32
... heat . How minutely must the gold be divided by the acid , for its particles to exhale in atmospheric air ! A new theory , to account for the phenomena of matter , has been proposed by the celebrated Boscovich , and admitted by many ...
... heat . How minutely must the gold be divided by the acid , for its particles to exhale in atmospheric air ! A new theory , to account for the phenomena of matter , has been proposed by the celebrated Boscovich , and admitted by many ...
Стр. 33
... heat * . A larger portion of the matter of heat would convert them into vapour . What other name is given to liquids ? They are likewise called fluids : we call the air a fluidt . Why is the air called a fluid ? Because it flows like a ...
... heat * . A larger portion of the matter of heat would convert them into vapour . What other name is given to liquids ? They are likewise called fluids : we call the air a fluidt . Why is the air called a fluid ? Because it flows like a ...
Стр. 38
... heat converts water into vapour ? A large portion of the matter of heat combining chymically with water renders it specifically lighter ; which is the cause of its rising in the air , and floating there§ . principle , the oxygen gas ...
... heat converts water into vapour ? A large portion of the matter of heat combining chymically with water renders it specifically lighter ; which is the cause of its rising in the air , and floating there§ . principle , the oxygen gas ...
Стр. 38
... heat combines with a portion of the water of the earth , and converts it into vapour . But what causes the vapour to rise in the air ? If a cork be placed at the bottom of a bason of water , it rises immediately to the top , because it ...
... heat combines with a portion of the water of the earth , and converts it into vapour . But what causes the vapour to rise in the air ? If a cork be placed at the bottom of a bason of water , it rises immediately to the top , because it ...
Часто встречающиеся слова и выражения
acetate acid gas alkali alumine ammonia animal antimony atmospheric air attraction barytes becomes bismuth boiling burning called caloric carbonic acid carbonic acid gas charcoal chymical chymical affinity chymistry chymists cobalt cold colour combined common compound contain converted copper crystals decomposed decomposition degree dissolved earth effect employed evaporation experiment fire fluid foda found native Fourcroy fubftances gallic acid gases glass glucine gold heat hydrogen hydrogen gas insoluble iron known lead lime liquid liquor magnesia manganese manufacture matter melts mercury metallic oxides mineral mixed mixture muriate of soda muriatic acid nature nitrate nitric acid nitrogen nitrous operation ounce owing oxide oxygen gas oxygenized muriatic acid particles phosphoric acid phosphorus platina portion potash powder precipitate procured produced properties quantity render Salts formed silex silver solid soluble solution specific gravity strontian substances sulphate sulphuret sulphuric acid temperature thermometer Thomson vapour vegetable vessel weight zinc
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Стр. 243 - The aorta of a whale is larger in the bore than the main pipe of the waterworks at London Bridge ; and the water roaring in its passage through that pipe is inferior, in impetus and velocity, to the blood gushing from the whale's heart.
Стр. 236 - That very law* which moulds a tear, And bids it trickle from its source, That law preserves the earth a sphere, And guides the planets in their course.
Стр. 41 - These arts of love diffuses ? What, but God ? Inspiring God ! who, boundless Spirit all, And unremitting Energy, pervades, Adjusts, sustains, and agitates the whole. He ceaseless works alone ; and yet alone Seems not to work : with such perfection framed Is this complex stupendous scheme of things.
Стр. 95 - Committee of the House of Commons, appointed to inquire into the Bankrupt Laws ; and i This and the two preceding motions were lost by large majorities.
Стр. vi - Besides, a knowledge of the first principles of chemistry will teach him when to use lime hot from the kiln, and when slacked; how to promote the putrefactive process in his composts, and at what period to check it, so as to prevent the fertilizing particles becoming effete, and of little value.
Стр. v - Black, and had attended the lectures of that distinguished philosopher in the university of Glasgow. And he often acknowledged " that his first ideas on this subject were acquired by his attendance on Dr. Black's chymical lectures, and from the consideration of his theory of latent heat, and the expansibility of steam.
Стр. xxvi - Sits on th' horizon round a settled gloom: Not such as wintry storms on mortals shed, Oppressing life; but lovely, gentle, kind, And full of every hope and every joy, The wish of Nature. Gradual sinks...
Стр. 165 - ... of the river ; the hen, with attentive eye, picks up every grain that is scattered and lost in the field ; the pigeon of rapid wing collects a similar tribute from the refuse of the grove, and the frugal bee turns to account even the small dust on the flower. There is no corner of the earth where the whole vegetable crop may not be reaped. Those plants which are rejected by one are a delicacy to another, and even among the finny tribes contribute to their fatness. The hog devours the horse-tail...
Стр. ix - ... of chymical skill; and such knowledge is absolutely necessary to enable either the dyer or the calico printer to produce in all cases permanent colours of the shade he intends. To...
Стр. 286 - To a similar solution of gold add about a fourth part of ether ; shake them together, and wait till the fluids separate ; the upper stratum, or ethereal gold, is then to be carefully poured off into another vessel. If any polished steel instrument or utensil be dipped into this solution, and instantly plunged into water, the surface will have acquired a coat of pure gold, being a very elegant and economical mode of preserving polished steel from rust.