Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 372
1510J. CONCRETEBRIDGE. — For smallbridges, a concrete archof Portland cement, sandand broken stone are re-liable and lasting struc-tures. 362 CONSTRUCTION AND DEVICES. 15100. LOG SAWING MACHINE.—The lever being prop-erly adjusted, and the screw and dogs being placed in position, the saw is rapidly…
Mechanical movements
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