Telegraph engineering : a manual for practicing telegraph engineers and engineering students (1922)
Hausmann, Erich, 1886- · New York : D. Van Nostrand Company · leaf 37
made by the ElectricStorage Battery Company. The Edison storage battery is alsosuitable for telegraphic purposes. Its positive electrodesconsist of grids of nickel-plated steel supporting nickeloxide intermixed with flakes of pure nickel, and the nega-tive electrodes consist of similar grids… … Fig. 13. SIMPLEX TELEGRAPHY 23 a 5-hour discharge rate. The voltage of a cell is 1.2 atnormal discharge; for charging 1.85 volts are required percell. Fig. 14 shows the appearance of an 80-ampere-hour
Telegraph
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