Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 60
£ in-. and from that to 2^ in., depending upon thesize of the boiler. Feed Pumps and Injectors. The belt driven powerpump is the most economical boiler feeder, but is not … DIFFERENTIAL VALVE, DAVIS PUMP. the most convenient nor the safest. When the enginestops, the pump stops also, and sometimes it happensthat the belt gives way and the pump stops at iust 48 ENGINEERING the time when the boiler is being worked the hard-est. The modern double acting steam pump, of…
