Five hundred and seven mechanical movements (1903)
Brown, Henry T. [from old catalog] · New York, Brown & Seward · leaf 33
Mechanical Movements. 29 93. Crank motion, with the crank-wristworking in a slotted yoke, thereby dispens-ing with the oscillating connecting-rod orpitman. 94. Variable crank, two circular plates re-volving on the same center. In one a spiralgroove is cut; in the other a series of slotsradiating…
Mechanical movements
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