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 407
t isarrested at the lowest end of the table by a projection on the table. In either of the above cases thegold is brought to the amalgamating machine for amalgamation. Most of the gold-mining establishments are provided with Chilian mills for crushing the ore. VTefurnish a description of it in its… … 2813. iti|iii!iiiiini|uiTiri i iinmiiumn In Fig. 2815 is such a machine represented as it is in operation at Goldhill. It is a cast-iron circu.attrough of about 16 feet diameter, 10 inches wide, and 6 inches deep; the trough is firmlv fixed uponthe floor of the mill In this trough five travellers…
Mechanical engineering · Mechanics · Engineering
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