Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 380
Fig. 825. … Fig. 824. Fig. 826. Fig. 825 is a cup leather packing, and Fig. 826 is a U-packing for smallcylinders of hydraulic presses. The application of the first will be understoodfrom Fig. 827, in which the piston is packed with two cup leathers, in this caseto withstand pressure in both directions. Were…
Mechanical drawing
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