Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 254
Fig. 127. Form of Storage Battery for Signal Work. Glass Jar. Question 20. How should cells in service be treated? Answer. Never discharge below 1.7 volts and 1.8 is better. Charge up to 2.5 volts usually at normal rate. STORAGE BATTERIES 255 Once a week give a charge at one-third normal ratetill… … Pig 128. Storage Battery in Lead Lined Wooden Tank. Tank Restson an Insulated Frame. Do not habitually overcharge cells; it is a waste ofmoney. The cell is charged when the specific gravity of elec-trolyte is about 0.025 higher than when discharged. Bubbles of gas are given off freely when cell is…
Electricity
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