Small, Sidney Aylmer, 1876- [from old catalog] · Chicago, F. J. Drake & co · leaf 242
you will notice that after each reversalof the current through the cell the acid is quiet but soonbegins to gas or boil. This is the signal to reverse thecurrent as the cell is charged. 242 Storage batteries 243 When the cell takes several hours to gas it is in condi-tion to use. After one of the… … Fig. 121. Lead Grid. You may now use this as a storage cell, charging it uptill it gasses and then using the accumulated electricity asyou please. You always lose 30% but you have the advantages ofportability and ability to work when engines are shutdown. In time you will notice that the lead…
Electricity
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