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 543
d from an hour to an hour and a half,when its contents are discharged on a filter-bed placed below. The waste chlorine isblown off and largely recovered by beingpassed through slaked lime and thus ab-sorbed. The filter is made of steel wire linedwith India-rubber. The charge, after beingdecanted on… … FiG. 5.—The Pollok chlorinating barrel. tated by adding ferrous sulphate. The precipitating tank has a conical-shaped bottom, onwhich the gold precipitate settles. As soon as the liquor has become clear it is run off, andthe gold is removed and melted with borax into bars. Works for reference; The…
Mechanical engineering
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
