Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 361
1458. AUTOMATIC DISENGAGING GRIP for apile driver. The arms of the grip jaws are collapsed bycontact \\ith the inclined chocks above. … 1459. SWRELLING DUMPINGCAR.— By turning the box and itsframe, which is pivoted on the truck,the load can be dmnped in any direc-tion.
Mechanical movements
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