BATTERIES FOR COILS.
The Selection of Suitable Batteries. Open
Circuit Cells. Closed Circuit Cells.
Description of Cells. Formulæ for Solutions
for Different Kinds of Batteries.
The Grenet Battery. Fuller Battery.
Gravity Battery. Dun Cell. Gethins
Cell. Gordon Battery. New Standard.
Edison-Lalande Cell. Dry Batteries.
Dry Cell Construction, etc. 178-199