Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 13
wer up to 850 horse-power, in single units. The boilers are built for workingpressures of from 160 pounds per sq. in. up to 500 pounds 4 Steam Engineering per sq. in. The steam drums are made of the best openhearth flange steel, the heads for the drums being of thesame material, hydraulically… … Fig. 3 side view of 250 h. p. c ah all horizontal boilee suspended ready for brick work inside and outside. In boilers, the working pressure ofwhich is not to exceed 160 lbs. to the sq. in., the longitudinalseams in the drums are double riveted. In those of higherworking pressures, that is, from…
