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 582
low it, the back pressure Lubricating Appliances 569 would be greatly increased, and in order to get sufficientpositive pressure the condensing pipe should rise 18 inchesto 24 inches above the horizontal steampipe and then de-scend to the condenser. This will give a column of waterfor positive… … Fig. 228powell lubricatorA, Oil reservoir. B, Fining cup. C, Valve to regulate oildrops. D, Shut-off valve. E, Packing nuts. F, Drain valve.H, coupling for condensing pipe. JJ, Sight feed and indexglasses K, Plug for removing and inserting glasses. M, Con-densing chamber. N, Valve to regulate water…
