 | 1840 - 706 páginas
...difficult fusion be formed, to raise the heat, and add the remaining proportion of the copper. The brass of the first fusion is broken to pieces, and...with a fresh quantity of zinc, to obtain the finished brass. Each melting takes about 8 or 9 hours. The metal is now cast into plates, about 40 inches long... | |
 | 1840 - 702 páginas
...difficult fusion be formed, to raise the heat, and add the remaining proportion of the copper. The brass of the first fusion is broken to pieces, and...with a fresh quantity of zinc, to obtain the finished brass. Each melting takes about 8 or 9 hours. The metal is now cast into plates, about 40 inches long... | |
 | Perry Fairfax Nursey - 1840 - 706 páginas
...difficult t'usiun be formed, to raise tin- heat, and add the remaining- proportion of the copper. The brass of the first fusion is broken to pieces, and melted with a fresh quantity o!' zinc, to obtain the finished brass. Each melting takes about 8 or 9 hours. The metal is now cast... | |
 | Andrew Ure - 1844 - 756 páginas
...difficult fusion be formed, to raise the heat, and add the remaining proportion of the copper. The brass of the first fusion is broken to pieces, and...with a fresh quantity of zinc, to obtain the finished brass. Each melting takes about 8 or 9 hours. The metal is now cast into plates, about 40 inches long... | |
 | John Arthur Phillips - 1852 - 698 páginas
...and the remainder of the copper added. The brass thus obtained is broken into small pieces, and a^ain melted with a fresh quantity of zinc to obtain the finished alloy. When the mixed metal is intended to be rolled into sheets, it i* first cast into thin plates by pouring... | |
 | Andrew Ure - 1867 - 1006 páginas
...difficult fusion be formed, to raise the heat, and add the remaining proportion of the copper. The brass of the first fusion is broken to pieces, and...with a fresh quantity of zinc, to obtain the finished brass. Each melting takes from 8 to 9 hoars. The metal is now cast into plates, about 40 inches long... | |
 | Andrew Ure - 1870 - 1134 páginas
...raise the heat, and add the remaining proportion of the copper. The brass of the first fusion is^broken to pieces, and melted with a fresh quantity of zinc, to obtain the finished brass. Each melting takes about 8 or 9 hours. The metal is now cast into plates, about 40 inches long... | |
| |
The first step in making brass is to plunge slips of copper into melted zinc till an alloy of somewhat difficult fusion be formed, to raise the heat, and add the remaining proportion of the copper. The brass of the first fusion is broken to pieces, and... 