 | Joseph Yelloly Watson - 1843 - 106 Seiten
...exceeding the top of the finger ; and the hures are then given to boys, who jig them, or shake them in a sieve under water, by which means the ore or heavy part, keeps at the bottom, while th« spar, or refuse, is scraped from the top. The part which passes through the sieve is also stirred... | |
 | John R. Leifchild - 1855 - 340 Seiten
...exceeding the top of the finger. The ores are now given to boys, who jif them, or shake' them in a sieve under water, by which means the ore or heavy part keeps at the bottom, whilst the spar, or refi is scraped from the top. The part which passes through sieve is also stirred... | |
 | Sir Francis Bond Head - 1857 - 384 Seiten
...exceeding the top of the finger; and the hures are then given to boys, who jig them, or shake them in a sieve under water, by which means the ore, or heavy...also stirred about in water, the lighter portion is thrown from the surface, and the ores, thus dressed, being put into large heaps of about a hundred... | |
 | John Murray (publishers.) - 1879 - 290 Seiten
...exceeding the top of the finger ; and the hures are then given to boys, who jig them, or shake them in a sieve under water, by which means the ore, or heavy...sieve is also stirred about in water, the lighter part is thrown from the surface, and the ores thus dressed, being put into large heaps of about a hundred... | |
 | John Murray (Firm) - 1882 - 298 Seiten
...exceeding the top of the finger ; and the hures are then given to boys, who jig them, or shake them in a sieve under water, by which means the ore, or heavy...sieve is also stirred about in water, the lighter part is thrown from the surface, and the ores thus dressed, being put into large heaps of about a hundred... | |
| |
sieve under water, by which means the ore, or heavy part, keeps at the bottom, while the spar, or refuse, is scraped from the top, The part which passes through the sieve is also stirred about in water, the lighter portion is 