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 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…
