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 1473
ion. 1438 Steam Engineering If the blue solution of copper sulphate ever touches thezinc it will copper plate it at once. The cell will then havetwo copper elements and stop working. Cells should be given some attention, and clever manage-ment will keep a gravity cell working continuously for… … Fig. 685dinfrevilles wasteless zinc 4 feet long and 1/2 ^^ iiich wide, coiled like a clock spring.Zincs shaped like Fig. 685 are used until the prongs are alleaten off. A new one is then put in service and the oldone jammed into the bottom of the new one as shown inFig. 686. These zincs are hung…
