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 664
Fig 6—The ( an ton tncycle plow plow bottom consists of but four pieces bolted together and rigidly braced, yet with few bolts.The. beam is adjustable at the butt in a slot, to control the amount of land taken, instead of … relying on the usual inexact method of setting the draft-clears at one side. The advance-mole subsoil plow (Fig. 8), is an English double-bottom implement securing deep tilth, ofspecial advantage inroot culture, now agrowing interest in theUnited States. The sub-soiler runs in advanceand one…
Mechanical engineering
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