Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 394
Fig. 867. Fig. 865 is the side view of a compression water-bib, used when the pres-sure of the water is great. The section is somewhat similar to that of Fig.870, in which a rubber disk is forced against a metallic seat to shut off theflow. Fig. 866 is a side view of a common air-cock for boilers…
Mechanical drawing
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