Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 279
1092. CAM-OPERATED SHEARS.-Many modilications of this device are in use. … 1093. IRREGULAR CAM MOTION to valverods. An irregular cam, acting bet\veen frictionrollers in a yoke frame. Positive irregular rectili-near motion. An old steam-engine-valve ge^^r.
Mechanical movements
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