Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 481
bution, generally withcast-iron bells, riveted at one end and a smali ring on the other (Fig. 1089) orby flanges secured on both ends and bolted together when laid. Specials.—All parts of a main except the straight pipes are called specialcastings. Fig. 1090 is a 12 X 8 4-way branch, shown full and… … Fig. 1089.
Mechanical drawing
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