Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 279
l:3e 1078. ANGULAR WIPERS, for operating thevalves of beam engines. A, the rock shaft; C, thecurved wiper, hfting the angular toe and valve rod. … 1079. EQUALIZING LEVERS ORTOES, for variable rod movement.
Mechanical movements
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