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 179
changes the direc-tion of travel independentlyof the incidental steeringtendency of the team; andthus the gangs can be madeto follow crookfd rows and avoid plowing up hills standing out of line. On hillsides the gangs can be h.downward. The use of the lever increases the ease of turning at the ends… … ^.—SU-eriiiK ciilU\ali ■Id from (Irifl in,:. CULTIVATORS. 165 treadles the shields are raised or lowered without stopping, governing the quantity of earththrown to the plant according to its size. Weirs Tonguekss Cultivator (Fig. 9) is rendered light, and allows the team free raove-
Mechanical engineering
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