/ Fig. 125. The water in the electrolite comes in contact with the zincand is decomposed thereby, the oxygen being taken fromthe water by the zinc, forming oxide of zinc and leavingthe hydrogen in the form of minute bubbles attached tothe zinc. As this, if allowed to stand, would shut off thewater… … THE MODERN CLOCK. 383 In order to take care of the hydrogen and thus insure theconstant action of the battery, oxide of manganese is addedto the contents of the cell, generally as a mixture with thecarbon element. Manganese has the property of absorbingoxygen very rapidly and of giving it off quite…
Clocks and watches
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