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 921
neering guide and piston, while the pot B rises and falls, andby so doing draws air into the chamber C through thepassage D, the vacuum C being regulated by the positionof the needle valve E. As the pot falls, air escapes fromC through valve H, and the fall is free until the lowerend of the pot… … Fig. 373section of the dash pot Double-pipe Ammonia Condenser. This type of con-denser consists of two series of coils, one within the ether,and is usually built in four different forms having 2-inchand 1.25-inch, 2.5-inch, 3-inch and 2-inch pipes or,having the upper outside pipes 2.5 inches and…
