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. 1880 Excerpt: ...air, and no other kind of salt could be perceived amongst them. Neither solution of vitriolated tartar, nor vitriolic acid, occasioned the slightest turbidness in the solution of these crystals, either immediately or on standing; a proof that the quantity of lime and lead in this solution, if any, was excessively ...
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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. 1880 Excerpt: ...air, and no other kind of salt could be perceived amongst them. Neither solution of vitriolated tartar, nor vitriolic acid, occasioned the slightest turbidness in the solution of these crystals, either immediately or on standing; a proof that the quantity of lime and lead in this solution, if any, was excessively minute. /. A bit of this calamine, weighing 20.6 grs. being made red hot in a covered tobacco-pipe, became very brittle, dividing on the slightest touch into prisms, like those of starch, and lost 5.9 grs. of its weight = 0.286. After this, it dissolved slowly and difficultly in vitriolic acid, without any effervescence. Dry, as opposed to wet or damp, which are only degrees of each other, merely implies free from mechanically admixed water. Arid, may be appropriated to express the state of being devoid of combined water. According to these experiments, this calamine consists of Calx of zinc---0.714 Carbonic acid... 0.135 Water---0.151 1.000. The carbonates of lime and lead in it are mere accidental admixtures, and in too small quantity to deserve notice. Calamine from Somersetshire. a. This calamine came from Mendip Hills in Somersetshire. It had a mammillated form; was of a dense crystalline texture; semitransparent at its edges, and in its small fragments; and upon the whole very similar, in its general appearance, to calcedony. It was tinged, exteriorly, brown; but its interior colour was a greenish yellow. It had considerable hardness; it admitted however of being scraped by a knife to a white powder. 56.8 grs. of it displaced 13.1 grs. of water, at a temperature of 65 Fahrenheit. Hence its density = 4.336. b. Exposed to the blowpipe, it became opaque, more yellow, and friable; spread flowers on the coal, and consequently volatilized, but not ...
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Add this copy of James Smithson and His Bequest to cart. $19.72, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
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New. Trade paperback (US). Glued binding. 90 p. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers.
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