Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 306
Fig. 643. MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. 289 In the case of inclined axis (Fig. 644) the leading line falls in the middleplane of each pulley, but the following side of the belt does not, hence suchsystems can only be run in one direction. The leaving points in the figures
Mechanical drawing
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