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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... "
The Mechanics' Magazine, Museum, Register, Journal, and Gazette - Page 31
1840
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Journal of the Franklin Institute of the State of Pennsylvania for the ...

1839 - 938 pages
...si-feut stroke. 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....is subsequently submitted to heat, and when, as it appeared to us, of a "cherry red," is worked in the cylinders or rollers, or drawn out in rods. The...
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The Merchants' Magazine and Commercial Review, Volume 1

1839 - 568 pages
...feet stroke. 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....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
...feet stroke. 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 metal is detivered on the works, and is then submitted in these proportions to the action of a reveberatory...
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The Year-book of Facts in Science and Art

1840 - 316 pages
...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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Iron: An Illustrated Weekly Journal for Iron and Steel ..., Volume 39

Perry Fairfax Nursey - 1843 - 678 pages
...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
...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
...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
...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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The Therapeutic Gazette

1909 - 938 pages
...author depends chiefly in those cases in which they are indicated are salicylic acid and creosote, 20 per cent of the former and 40 per cent of the latter, caustic potash, silver nitrate, lactic acid, pyrogallic acid, and chloride of zinc in 50-per-cent solution....
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