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
from adhering dirt, and leave them in a row convenient for basketing, yet with-out marring their skins or bruising them. The Pruyn Putato-digger, Fig. 1, does not turn over the earth, or roll the tubers, butraises them bodily with their earth-bed with a toothed scoop,though lifting as little matter… … a grate inclined upward and backward, and having open slots which extend in the di-rection of the elevator movement. At the rear, or delivery end of the elevator, is anagitator, or separator, to sift out and drop to the ground any remnants of dirt whichmay have failed to screen through the elevator…
Mechanical engineering
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