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 177
act as guys to sustainthe stalk erect, as the long shovelsmust run deep to cover the ground.If running shallow, long, large shovel-teeth merely make V-shaped scratch-es, neither killing the weeds nor thor-oughly oj)eniiig up the hard surface.The five snudl teeth uproot the weedsand leave no j)art… … Fig. 1.—Coru-plant and cultivator. with the tender extended side-roots of the corn-c they will die, instead of covering them over, as
Mechanical engineering
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