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 462
upon the ricker-head, a horse passing on eitherside, and the teeth of the sweep passing between the ricker-teeth and transferring the load to them. The horse attachedto the hoist of the ricker, by means of a power-drum and pul-leys, swings the ricker-head aloft on two long-hinged arms,which,… … FiG. 8.—Sling-pulley.
Mechanical engineering
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