Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 402
gary, percussion-tables, shaking-tables, German-chests,sleeping-tables, swing-sieves, and a host of other macliines, all of which are of no use to us; these ma-chines work too slow, absorb too much labor, and are not advantageous to our modes of working. Theabove wash apparatus, properly modified… … 396 METALLURGY. ia the case with iron ore, or it is performed after the ores are crushed, which is the ■wny cf working sil-ver ores in North Carolina. The principle involved in this operation is to drive off all that volatile mat-ter from the ore which may be dissipated by heat; such as water,…
Mechanical engineering · Mechanics · Engineering
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