Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 547
-52; amalgamators, 25-99; pan-helper,laborer, 02-49 ; melter, 01-90 ; assayer (proportion), 09-78 ; storekeeper, 05-59; repairs, 05-32 ;mechanics (proportion), 27-54; millwright, 00.04; teams and laborers. 32-18; watchman,09-99; tailings, storage, 01-71; office (proportion). 08-25; chemicals.… … Fio. 2.—Hofmanns 50-ton lixiviation-niill. crushed was 9,163 tons ; amount of salt used, 990 tons; average assay of ore, 455 oz. silver;average assay of tailing, 6 oz. ; percentage of silver saved, 86-83. The Ontario and Daly mills, at Park City, Ltah, furnish an interesting comparison, as atthe…
Mechanical engineering
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