Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 200
Flanges & Stuffing Boxes. riateTi … r Diameter J.W.Ny strom. Strength op Materials. 181 Strength of Teeth. Letters denote, S — strain on the teeth at the pitch-line in pounds. a = thickness, (see figure),) ., h = breadth of the teeth, |mcnes- v = velocity of the teeth in feet per second. J3= Horse power transmitted by the teeth. r a…
Mechanical engineering · Engineering
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