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. vi
... render the generality of parents and preceptors more competent to explain and expatiate upon the variety of facts which this science presents , and to qualify them in some measure to afford such answers to a number of questions which ...
... render the generality of parents and preceptors more competent to explain and expatiate upon the variety of facts which this science presents , and to qualify them in some measure to afford such answers to a number of questions which ...
Стр. xv
... rendered interesting by a set of simple and striking experi- ments . This I have endeavoured to furnish in the following pages , and judicious parents and preceptors may add much to their value by the addition of many experiments which ...
... rendered interesting by a set of simple and striking experi- ments . This I have endeavoured to furnish in the following pages , and judicious parents and preceptors may add much to their value by the addition of many experiments which ...
Стр. xvi
... rendered more productive . The analysis of the soils will be followed by that of the waters which rise upon , or ... render land hitherto fertile actually sterile . Besides , a knowledge of the first principles of chymistry will teach ...
... rendered more productive . The analysis of the soils will be followed by that of the waters which rise upon , or ... render land hitherto fertile actually sterile . Besides , a knowledge of the first principles of chymistry will teach ...
Стр. xvii
... rendered totally other- wise , if given with certain other medicines , -not to say often destructive . Many instances of these chymical changes might be adduced , but one will suffice . Mercury and oxymuriatic acid have both been ...
... rendered totally other- wise , if given with certain other medicines , -not to say often destructive . Many instances of these chymical changes might be adduced , but one will suffice . Mercury and oxymuriatic acid have both been ...
Стр. xxi
... render them good substitutes for tallow . He will know how to apportion his lime so as to make his alkali perfectly caustic , without using an unnecessary quantity of that article . He * See his " Report to the Committee of Public ...
... render them good substitutes for tallow . He will know how to apportion his lime so as to make his alkali perfectly caustic , without using an unnecessary quantity of that article . He * See his " Report to the Committee of Public ...
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.