Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 362
1465. STONE GRINDING AND POLISH-ING MACHINE. The lap for grinding isof cast iron in a concentric series of rings,through which sand and water is fed. Therod connecting the lap with the driving shafthas a universal joint at each end and a swivelhandle for guiding the lap. The upper shaftis balanced,…
Mechanical movements
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