Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 250
onpulley and can be weighted to secure any desired tension. TheEnglish method is most used for heavy drives from enginesto head shafts; the American for lighter work in distributing powerto the different rooms of a factory. The grooves in the pulleysfor manila or cotton ropes usually have their… … Fig. 99. 230 MACHINE DESIGN stretches it becomes smaller and sinks deeper in the groove; thesides of the groove being more oblique near the bottom, the olderrope is not pinched so hard as the newer and this tends to throwmore of the work on the latter. 120. Strength of Manila Ropes.—The formulas…
Machine design
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