| 1839 - عدد الصفحات: 938
...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... | |
| 1839 - عدد الصفحات: 568
...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... | |
| 1839 - عدد الصفحات: 566
...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... | |
| 1840 - عدد الصفحات: 316
...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 - عدد الصفحات: 678
...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 - عدد الصفحات: 992
...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 - عدد الصفحات: 514
...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,... | |
| 1898 - عدد الصفحات: 618
...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,... | |
| George Frederick Thompson - 1898 - عدد الصفحات: 102
...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.... | |
| 1909 - عدد الصفحات: 938
...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.... | |
| |