Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 307
Fig. 617. Fig. 648. and eb d are suitable directions for the belt. The guide-pulleys must be placedwith their middle planes coinciding with the planes cacajidebd. The beltwill run in either direction. In Figs. 649 and 650 are parallel axes with two guide-pulleys. In the firstthe guide-pulleys are…
Mechanical drawing
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