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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 25

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 25
one piece, after the manner of a rake. These teeth are operated by a pivoted lever,by means of which they areforced into the ground justat the rear of a hill ofpotatoes. A reverse move-ment of the lever lifts thedirt and potatoes above thesurface, and the dirt is siftedout between the teeth until… … 5C. IMPROVED POWER CRANK. The illustration representsa crank designed for use in any machine driven by a crank, from a coffee mill to a locomotive,its use giving greater lever-age without increasing thecircle traveled by the crankpin or handle. In the en-graving the improvement isrepresented as…

Mechanical movements

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