 | 1862 - 476 Seiten
...varied from 50 up to 63 per cent, of copper, and from 50 down to 37 per cent, of zinc. Best selected copper and foreign zinc are directed to be used. The...and afterwards washed in water. In the same year Mr. Munta obtained a second patent for "an improved manufacture of bolts and other the like ships' fastenings.... | |
 | Henry Watts - 1864 - 1002 Seiten
...these proportions may be varied from 50 up to 63 per cent., and from 60 down to 37 per cent. zinc. The metal is cast into ingots, and rolled while hot...into sheets, which, when finished, are " pickled " in dilute sulphuric acid, and afterwards washed in water. In the same year Mr. Mnntz obtained a second... | |
 | Henry Watts - 1870 - 1000 Seiten
...these proportions may be varied from 50 up to 63 per cent., and from 50 down to 37 per cent. zinc. The metal is cast into ingots, and rolled while hot...into sheets, which, when finished, are "pickled" in dilute sulphuric acid, and afterwards washed in water. In the same year Mr. Muntz obtained a second... | |
 | Henry Watts - 1882 - 1046 Seiten
...and rolled while hat into sheets, which, when finished, are " pickled " ill dilut« sulphuric acid, and afterwards washed in water. In the same year Mr....improved manufacture of bolts, and other the like for ships' fastenings," the same proportions of copper and zinc being usrd ; and in 1 846, a third... | |
 | Arthur Horseman Hiorns - 1890 - 464 Seiten
...cent of zinc ; but these proportions may be varied from 56 up to 63 per cent of copper. Best selected copper and foreign zinc are directed to be used. The...into sheets, which, when finished, are pickled in dilute sulphuric acid to remove the adhering scale, and afterwards swilled in water. In the same year... | |
 | Arthur Horseman Hiorns - 1890 - 464 Seiten
...cent of zinc ; but these proportions may be varied from 56 up to 63 per cent of copper. Best selected copper and foreign zinc are directed to be used. The...into sheets, which, when finished, are pickled in dilute sulphuric acid to remove the adhering scale, and afterwards swilled in water. In the same year... | |
 | Arthur Horseman Hiorns - 1901 - 478 Seiten
...cent of zinc ; but these proportions maybe varied from 56 up to 63 per cent of copper. Best selected copper and foreign zinc are directed to be used. The...into sheets, which, when finished, are pickled in dilute sulphuric acid to remove the adhering scale, and afterwards swilled in water. In the same year... | |
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Best selected copper and foreign zinc are directed to be used. The metal is cast into ingots, and rolled while hot into sheets, which, when finished, are pickled in dilute sulphuric acid to remove the adhering scale, and afterwards swilled in water. 