Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 378
Fig. 816.SECTION E F 2i% 7 It … Fig. 817. Large cast-iron pistons are made hollow and strengthened by internal radialribs. In Fig. 772 is shown the packing of the steam piston of the C3linder ofone of the St. Louis pumping-engines. Fig. 818 is a design from an Englishmanual for a large cast-iron piston. The dimensions marked on…
Mechanical drawing
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