This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1804 Excerpt: ... is produced by the collision of flint and steel. That they are particles of quartz cannot be doubted; but to suppose them combined with oxygen is contrary to all experience; for these stones never shew any disposition to combine with oxygen even when exposed to the most violent heat. La Metberie made experiments on ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1804 Excerpt: ... is produced by the collision of flint and steel. That they are particles of quartz cannot be doubted; but to suppose them combined with oxygen is contrary to all experience; for these stones never shew any disposition to combine with oxygen even when exposed to the most violent heat. La Metberie made experiments on purpose to see whether Lamanon's opinion was well founded; but they all turned out unfavourable to it. And Monge ascertained, that the particles described by Lamanon were pure crystal unaltered, with a quantity of black powder adhering to them. He concludes, accordingly that these fragments had been raised to so high a temperature during their passage through the air, that they set Are to all the minute bodies that came in their way f. The emission of the light is accompanied by a very peculiar smell, having some analogy to that of burning sulphur, or more nearly to burning gunpowder. Book I. Diwsion It CHAP. II. OF CALORIC. Noth1ng is more familiar to us than heat; to attempt therefore to define it is unnecessary. When we say Pefioition. that a person feels heat, that a stone is bot, the expressions are understood without difficulty; yet in each of these propositions the word heat has a distinct meaning. In the one, it signifies the sensation of heat; in the other, the cause of that sensation. This ambiguity, though of little consequence in common life, leads unavoidably in philosophical discussions to confusion and perplexity. It was to prevent this that the word caloric has been chosen to signify the cause of heat. When I put my hand on a hot stone, I experience a certain sensation, which I call the sensation of heat; the cause of this sensation is caloric. As the phenomena in which caloric is concerned are the most intricate and interesting ...
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Add this copy of A System of Chemistry to cart. $61.04, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2011 by Nabu Press.
