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 815
Fig. 3. —Ciarlvs seed-harrow. … Fig. 4.-Land roller. made to sow the corn in drills formed by the runners seen in cut, or to drop with con-siderable accuracy a determinate number of kernels in two hills transversely opposite. Ijymeans of a rotary feed beneath the hopper carrying the seed, controlled either by the handlever, or a…
Mechanical engineering
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