Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 812
ordinary thread was cut too deep into theiron, and, consequently, the bolt was weakened more than was necessary, and he proposed toremedy the evil by increasing the number of threads per inch, thereby reducing the depth ofthe thread. Mr. John L. Gill read a paper before the Franklin Institute, in… … Fig. 1.—Screw threads. comparison with the Whitworth. the Sellers, and the old V threads, in the cut, Fig. 1. Hefound that a thread might be made in this way in which the altitude was not dependent uponthe pitch of the thread, and that the altitude could be made in proportion to the diameter ofthe…
Mechanical engineering
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