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 1477
s should be kept com-pletely covered with water, wire and all, until needed again. 1442 Steam Engineering When they get too heavy and cumbersome sell them^ asthey are an especially pure form of copper. Xever leave gravity cell on open circuit; the liquids willmix. The Fuller Cell.—Semi-closed… … Fig. 689fuller cell which converts the hydrogen to water will attack the zinc,a porous cup is used. The carbon or the zinc can be placed in the porous cup,but the zinc usually is. A tablespoonful of mercury isplaced in bottom of porous cup, the zinc set in and the cupfilled with very dilute…
