Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 286
t on and near the central line of the two shafts. 1120. VIBRATING MOVEMENT from aslotted curved arm, gives a variable vibratingmovement to straight arm. 1121. VARIABLE CRANK PIN.—A slottedface plate backed by a spiral slotted plate by whichthe revolution of one plate upon the other moves acrank pin…
Mechanical movements
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