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 176
ing can-not be passed through a heater, there should be a % or 1inch pipe connected to the feed main, or header and leadingto the testing tanks, in order to allow a portion of the hotfeed water to run into and mix with the cold water in thetanks as they are being filled, thus partially warming… … Fig. 67original form of the gifford injector philosophy of its action may prove interesting, and usefulto engineers and water tenders. Consequently a space willbe devoted to this useful device for boiler feeding. 164 Steam Engineering Ever since the time of the invention of the injector in1858 by…
