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 168
waterto flow into the boilers and maintain the proper level. Allof the automatic apparatus may be controlled by hand, Boiler Setting and Equipment 155 when desirable, for all the boilers, or for each boiler separ-ately. Such occasions are very rare, however, as the pumpresponds readily to changes… … Fig. 62 the worthington compound steam pump Piston Pattern, for General Service—For 150 Pounds Water Pressure water mains, in which the number of valves and fittingsliable to leak are reduced to a minimum. Figures 62 and 63 show views of the Worthington boilerfeed pump, adaptable to large steam…
