Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 223
gases are set free. The ammoniais dissolved by the water and the hydrogen absorbed bythe carbon. 224 ELEMENTARY ELECTRICITY In time the carbon gets soaked full of hydrogen, andto restore the cell it should be taken out and boiled inwater for an hour. These should only be used for call bells in… … Fig. 107. Carbon Cylinder Cell with. Depolarizer. The carbon cylinder cell is sometimes modified to theLeclanche type by making the carbon element with abottom and no opening in the sides. This carbon can orbucket is filled with lumps of black oxide of manganese(manganese dioxide^. The zinc is made…
Electricity
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