Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 303
the counter-shaft remainsstill and the pulley revolves uponit. It-sometimes happens that thefriction of the loose pulley uponthe counter induces its revolution ;to prevent which an arrangement is made, as shown in section (Fig. 637), bywhich the loose pulley moves on a fixed sleeve. The shipper… … Fig. 035. F L
Mechanical drawing
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