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 137
f cones in whicli the guiding is done by a ball-and-socket joint atthe two points of the cones. Both the running-plates and cones in this type are made in thelathe, and are all fitted to gauge. The same precautions are taken in the lower right cut asin the upper left cut to counteract the effect of… … Fio. 1.—Double frjrating screen. ing upon the material to be screened. The smaller the size of coal, the closer to each otherthe screens can be put. The boxes are made from 1 to 2 ft. deep. The double gyratingscreen (Fig. 1) is a combination of two single screens, driven by two parallel vertical…
Mechanical engineering
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