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" The metal is a combination of copper and zinc, the best admixture being found to be 60 per cent, of the former, and 40 per cent, of the latter. The... "
Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers ... - Page 31
edited by - 1840
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The Mechanics' Magazine, Museum, Register, Journal, and Gazette, Volume 32

1840 - 706 pages
...with the machinery necessary for drawing rods, worked by an angine of 54 j -inch cylinder, 8 1 -feet stroke. The metal is a combination of copper and zinc, the best admixture being found to be GO per cent, of the former, and 40 per cent, of the latter. The metal is delivered on the works, and...
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The Merchants' Magazine and Commercial Review, Volume 1

1839 - 568 pages
...rollers, with the machinery necessary for drawing rods, worked by an engine of 54J inch cylinder, 8j feet stroke. The metal is a combination of copper and zinc,...submitted in these proportions to the action of a reveberatory furnace, or melted in pots, from which it is cast in plates or bars, according to the...
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Merchants' Magazine and Commercial Review, Volume 1

1839 - 566 pages
...rollers, with the machinery necessary for drawing rods, worked by an engine of 54i inch cylinder, 8i feet stroke. The metal is a combination of copper and zinc,...former and 40 per cent, of the latter. The metal is detivered on the works, and is then submitted in these proportions to the action of a reveberatory...
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The Mechanic's Magazine, Museum, Register, Journal and Gazette, Volume 32

1840 - 698 pages
...rollers, with the machinery necessary for drawing rods, worked by an angine of 54J-inch cylinder, SJ-feet stroke. The metal is a combination of copper and zinc,...being found to be 60 per cent, of the former, and Hi per cent, of the latter. The metal is delivered on the works, and is then submitted in these proportions...
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The Year-book of Facts in Science and Art

1840 - 316 pages
...-hole than copper, and to a greater depth in dead wood. The metal is a combination of copper and zinc, 60 per cent, of the former, and 40 per cent, of the latter. It is submitted to the action of a reverberatory furnace, or melted in pots, from which it is cast...
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The Mechanic's Magazine, Museum, Register, Journal and Gazette, Volume 39

1843 - 508 pages
...Exp. 5. — Plain dry turf, (as in No. 2,) with bitumenized turf, (as in No. 4,) in the proportion of 60 per cent, of the former, and 40 per cent, of the latter. This produced a diminished heating effect, as compared with the bitumenized turf alone. 100 cubic feet...
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The Statesman's Year-book, Volume 22

Frederick Martin, Sir John Scott Keltie, Isaac Parker Anderson Renwick, Mortimer Epstein, Sigfrid Henry Steinberg, John Paxton, Brian Hunter - 1885 - 992 pages
...88,920,425?. In 1884 the maize crop reached 800,000,000 bushels, and the wheat 500,000,000 bushels. About 6 per cent, of the former and 40 per cent, of the latter are exported. The other cereals are rye, oats, barley, and buckwheat, 20'5 of the rye being exported....
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The Medical World, Volume 9

1891 - 514 pages
...gave fifteen grains every four hours. Salol is an ether combination of salicylic and carbolic acids, 60 per cent, of the former and 40 per cent, of the latter. It is said to be decomposed into its original elements after entering the circulation, which theory,...
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Caduceus of Kappa Sigma, Volume 13

1898 - 618 pages
...total number of students in attendance last term was 1,156, of whom 697 were men and 459 were women, or 60 per cent, of the former and 40 per cent, of the latter. If the divinity school is omitted, and only the graduate and undergraduate departments are considered,...
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Acetylene Gas, Its Nature, Properties and Uses: Also Calcium Carbide, Its ...

George Frederick Thompson - 1898 - 102 pages
...Scotland, and other places, is made from a mixture of finely powdered lime and coke, in the proportion of 60 per cent, of the former and 40 per cent, of the latter, although the resulting carbide consists of 62'5 per cent, of calcium and 37'5 per cent, of carbon....
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