American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 35
cup is filled with a mixture of small lumps ofcarbon and granulated peroxide of manganese. Theporous cup permits the liquid to pass through andmoisten the manganese and carbon. LECLANCHE CELL. Chloride of Ammonium, commonly known as sal-ammoniac, is a combination ofchlorine and ammonia (ammonia… … THE LECLANCHE CELL. I 7 the passage of the current the chloride of ammonium is decomposed, the chlorine leavingthe ammonia and hydrogen to unite with an atom of the zinc plate, forming chlorideof zinc, and setting free ammonia and hydrogen. The ammonia is dissolved in thewater of the cell; the…
Telegraph
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