Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 26
accurately sized, madetapering, and the tubes fixed therein by an expander. Thesections thus formed are connected with the drum, andwith the mud-drum also by short tubes expanded intobored holes, doing away with all bolts, and leaving a clearpassageway between the several parts. The openings… … Fig. S SIDE VIEW OF BABCOCK & WILCOX BOILER OF WROUGHT STEELCONSTRUCTION 18 Steam Engineering contact, and are held in place by wrought-iron forged-clamps and bolts. The)r are tested and made tight undera hydrostatic pressure of 300 pounds per square inch,, ironto iron, and without rubber…
