Encyclopaedia Britannica; Or A Dictionary of Arts, Sciences, and Miscellaneous Literature, Volume 1Archibald Constable, 1824 |
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Page 2
... melt , or xos juice ; from kema , an oriental word signifying black ; from us , the name of a person eminently skilled in the sciences ; from Chemi , the Coptic name of Egypt , where the art is supposed to have had its rise . According ...
... melt , or xos juice ; from kema , an oriental word signifying black ; from us , the name of a person eminently skilled in the sciences ; from Chemi , the Coptic name of Egypt , where the art is supposed to have had its rise . According ...
Page 24
... melted two pounds six ounces of tin , and in six hours the whole was converted into a calx , which weigh- ed seven ounces more than the tin employed . Brun , surprised at this circumstance , communicated it to John Rey , a physician of ...
... melted two pounds six ounces of tin , and in six hours the whole was converted into a calx , which weigh- ed seven ounces more than the tin employed . Brun , surprised at this circumstance , communicated it to John Rey , a physician of ...
Page 29
... melted snow being always of the same temperature , appears first to have occurred to Güricke of Magdeburgh , but was ... melting snow , and the point at which the fluid stands , marked upon the tube , and then transferred to boiling ...
... melted snow being always of the same temperature , appears first to have occurred to Güricke of Magdeburgh , but was ... melting snow , and the point at which the fluid stands , marked upon the tube , and then transferred to boiling ...
Page 39
... melted , and the temperature of the mixture was only 32 ° ; so that here 140o of thermometric heat had disappeared ; their effect being , not to raise the tempera- ture of the snow , but to convert it into water . We should say ...
... melted , and the temperature of the mixture was only 32 ° ; so that here 140o of thermometric heat had disappeared ; their effect being , not to raise the tempera- ture of the snow , but to convert it into water . We should say ...
Page 4
... melt the former , it will presently combine with the latter . We observe , as the results of this attraction between the sulphur and copper , 1. That the sub- stance produced has not the intermediate properties of its elements , but ...
... melt the former , it will presently combine with the latter . We observe , as the results of this attraction between the sulphur and copper , 1. That the sub- stance produced has not the intermediate properties of its elements , but ...
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Common terms and phrases
afford alcalies ammonia animal appears bivalves bodies bullion called capital carbonic carbonic acid character chemical Chemistry China Chinese chivalry chlorine circumstances coin coinage cold colony colour common compound Conchology consequence considered consists contains copper Corn Laws crystals degree density Dr Priestley duties effect employed England equal expence exportation fluid foreign genus gold greater heat hence honour hydrogen important inches increase iron knight labour Lamark land latitude less light Linnæus liquid manufactures melted ment mercury metal mother country muriatic acid nature nearly nitrate nitric acid observed obtained operculum oxide oxygen phosphoric acid phosphorus plate population portion potash precipitate present principle produce proportion quantity racter rays refraction rendered salt seignorage shells silver soluble solution species specific gravity substance sulphate sulphuret sulphuric acid supposed surface temperature thermometer tion trade valves weight wheat whole
Popular passages
Page 31 - Have not the small particles of bodies certain powers, virtues, or forces, by which they act at a distance, not only upon the rays of light for reflecting, refracting, and inflecting them, but also upon one another for producing a great part of the phenomena of nature?
Page 258 - As the cold of snow in the time of harvest, so is a faithful messenger to them that send him: for he refresheth the soul of his masters.
Page 408 - The warp was placed perpendicularly ; the reed fell with a force of at least half a hundred weight ; and the springs which threw the shuttle were strong enough to have thrown a Congreve rocket ; in short, it required the strength of two powerful men to work the machine at a slow rate, and only for a short time.
Page 408 - Now you will not assert, gentlemen/ said I, ' that it is more difficult to construct a machine that shall weave, than one which shall make all the variety of moves which are required in that complicated game.
Page 387 - Every workman has a great quan- 15 tity of his own work to dispose of beyond what he himself has occasion for ; and every other workman being exactly in the same situation, he is enabled to exchange a great quantity of his own goods for a great quantity, or, what comes to the same thing, for the price of a 20 great quantity of theirs.
Page 31 - I do not here consider. What I call attraction may be performed by impulse, or by some other means unknown to me. I use that Word here to signify only in general any Force by which Bodies tend towards one another, whatsoever be the Cause.
Page 66 - I presently found that, by means of this lens, air was expelled from it very readily. Having got about three or four times as much as the bulk of my materials, I admitted water to it, and found that it was not imbibed by it. But what surprised me more than I can well express was, that a candle burned in this air with a remarkably vigorous flame...
Page 408 - ... three movements, which were to follow each other in succession, there would be little difficulty in producing and repeating them. Full of these ideas, I immediately employed a carpenter and smith to carry them into effect. As soon as the machine was finished, I got a weaver to put in the warp, which was of such materials as sailcloth is usually made of. To my great delight, a piece of cloth, such as it was, was the produce.
Page 336 - Glory is the reward of science ; and those who deserve it scorn all meaner views.
Page 135 - Call you that desperate, which by a line Of institution, from our ancestors, Hath been derived down to us, and received In a succession, for the noblest way Of breeding up our youth, in letters, arms, Fair mien, discourses, civil exercise, And all the blazon of a gentleman...