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Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 346
1396. BALL SOCKET, used on surveyorscompasses. The gland is tightened withcountersunk screws. … 1397. BALL SOCKET, with a screw gland. V THREADMechanical movements
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