Journal of the Franklin Institute; devoted to science and the mechanic arts (1826)
Franklin Institute (Philadelphia, Pa.) · Oxford, Eng. [etc.] Pergamon Press [etc.] · leaf 333
ovember 22, 1832.* To all whom it may concern, be it known, that I, William Davis,have invented a machine for washing gold and other ores, and thatthe following is aful! and exact description thereof. I make any number of revolving reels, so formed as to carry dash-ers, or agitators, and rakes,… … AAA are the shafts of the revolving cylinders, or reels, carriedround by means of bands working upon whirls, or by bevel gearing,or in any of the ways in which such motion is ordinarily communi-cated. The said reels are provided with any number of sets of arms,to carry the dashers, and rakesjmost…
Science · Patents · Meteorology · Technology
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