Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 482
Fig. 1101. … Fig. 1102. According to the specifications of Cast-iron Distribution-Pipes and Pipe-Mains, with their Branches, etc., Brooklyn, L. I. : Every pipe-braach and casting to pass a careful hammer-inspection, to be subjectthereafter to a proof by water-pressure, and while under the required pressure to…
Mechanical drawing
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