International Library of Technology · Scranton, International Textbook Co. · leaf 299
months. A cell similar to the above is used extensively fortelegraph purposes in Russia. 2658. The specific gravity, at ordinary temperature,of a saturated solution of ZnSO^ is about 1.44, while thatof a saturated solution of CiiSO^ is about 1.20; hence, ifsaturated solutions of these salts are… … Fig. 1042. 1734 BATTERIES. of zinc sulphate diluted to a specific gravity of about 1.10.The considerable difference in weight between the twosolutions has led to their arrangement, one over the other,in the cell, the heavier copper sulphate being at the bottom. 2659. In the Hussey and the Gethin…
Electrical engineering
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