Five hundred and seven mechanical movements (1903)
Brown, Henry T. [from old catalog] · New York, Brown & Seward · leaf 91
alternatelyon either side of piston. 348. Mode of obtaining two reciprocatingmovements of a rod by one revolution of ashaft, patented in 1836 by B. F. Snyder,has been used for operating the needle ofa sewing machine, by J. S. McCurdy, alsofor driving a gang of saws. The disk, A,on the central… … Mechanical Movements. 87 349. Another form of parallel ruler. Thearms are jointed in the middle and con-nected with an intermediate bar, by whichmeans the ends of the ruler, as well as thesides, are kept parallel. 350. Traverse or to-and-fro motion. Thepin in the upper slot being stationary, andthe…
Mechanical movements
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