 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...  Mechanics' Magazine - Pagina 311840Volledige weergave - Over dit boek
 | 1840 - 706 pagina’s
...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... | |
 | 1839 - 568 pagina’s
...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... | |
 | 1839 - 566 pagina’s
...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... | |
 | 1840 - 698 pagina’s
...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... | |
 | 1840 - 316 pagina’s
...-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... | |
 | Perry Fairfax Nursey - 1843 - 678 pagina’s
...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... | |
 | 1843 - 508 pagina’s
...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... | |
 | Frederick Martin, Sir John Scott Keltie, Isaac Parker Anderson Renwick, Mortimer Epstein, Sigfrid Henry Steinberg, John Paxton, Brian Hunter - 1885 - 992 pagina’s
...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.... | |
 | 1891 - 514 pagina’s
...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,... | |
 | George Frederick Thompson - 1898 - 102 pagina’s
...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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