Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 379
Fig. 819. Fig. 8:20. two and so fastened that the joints are always broken. The packing is set outby springs s s, one of which is shown. F is the follower, which can be takenoff for the admission of the rings and springs, and then replaced and bolted tothe piston, making a close joint with the end…
Mechanical drawing
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