Handbook for machine designers, shop men and draftsmen (1916)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 263
Fig. 24.- Leather Rings in Valve Seat … Fig. 25.. Leather Ring in Valve Figs. 24 and 25.—Leather sealed valves for high-pressure hydraulic service. main cylinder. A reverse operation forces the piston d down, shut-ting off the water from the main cylinder, and simultaneously openingthe exhaust via the outlet e. It will be observed that…
Machine design
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
