Steam power plant auxiliaries and accessories; (1922)
Croft, Terrell, 1880- ed, Dufflin, Daniel John, 1911- ed · New York, [etc] McGraw-Hill book company, Inc · leaf 387
Shank ofCast IronMandrel-, >t *—^^^^^^^ c frf?-V- --------A_ipr?dn … Fig. 346.—Method Of Forming Lap-Welded Pipe. passed (£-Fig. 346) through a circular groove in the weldingrolls. The weld is made by squeezing the overlappedscarfed edges together between the walls and a cast-iron
Steam power plants · Pumping machinery
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