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 700
Fig. 5.—Hay press. … tj.—Hay-b:iliii;, press press each charge of hay. The latter is introduced by an attendant, when the trap-door (seenin Fig. 6), on top, automatically falls open. The jjlunger, automatically released by a latch,
Mechanical engineering
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