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 668
springs, torelieve machine and team fromsudden jar. The machine is usednot only for digging potatoes, butother root crops and for peanuts. Howards English Root-digger,Fig. 2, has driving-wheels withprominent transverse tractor spudson the face, and also a flange torun the wheels smoothly on… … Fig. 2.—Howards root-digger. deliver right or left.
Mechanical engineering
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