Trom′mel.
（Metallurgy.) A form of buddle or machine for separating the richer portions of slimes from the worthless. a, Fig. 6668, is the hopper in which the slimes are lodged; b, launder, delivering clean water into the hopper; c, trommel, having spikes in the interior for the purpose of dividing the stuff; d, perforated disk, to prevent the passage of chips or bits of stone; e, Archimedean pipes fitted into a disk of sheet-iron to convey water to the gauze or perforated trommel f; g, slimecistern; h, cistern for receiving the rough stuff; i, slime-outlet, communicating with round buddle or other suitable apparatus; k, outlet for trommel raff, which may be delivered into a sizing cistern.
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| Slime-trommel. |
