Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 423
the same machine, with the drill arranged for hori-zontal boring. The details of construction are clear from the engravings. MILLS, GOLD, SILVER. AND COPPER. See Amalgamating Machinery, Breakers or Cri-sh-ers, Chlorinating Machinery, Concentrating Machinery, Furnaces (Metallurgical), and Stamps,… … being to secure through the action of gravity a continuous automatic movement through all the dif-ferent stages of the process. If, as is most desirable, the mill adjoins the hoisting works, or is con-nected thereto by a narrow-gauge track, the ore is brought thither from the various levels of…
Mechanical engineering -- Dictionaries
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