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 1476
ll over. It is now time to give a completeoverhauling. Take the cell out of service. Syphon off zinc solution intothe tub. Lift zinc out carefully and at once scrub cleanwith a wire brush. Wash and replace in another cell atonce or dry thoroughly and keep dry until needed. Primary Batteries 1441… … Fig. 688hydrometer with baume scale The mud in bottom of cells and in the zinc solution tubshould be dried and sold to brass founders as battery mud. The copper plates taken from cells should be kept com-pletely covered with water, wire and all, until needed again. 1442 Steam Engineering When they…
