BY
NORMAN H. SCHNEIDER.
With Fifty-four Original Illustrations and Six Tables.
[No. 7.—The S. & C. Series. Price 1/6 net.]
DRY BATTERIES,
ESPECIALLY ADAPTED FOR
Automobile, Launch and Gas Engine Work; Medical Coils, Bells,
Annunciators, Burglar Alarms, Telephones, Electrical
Experiments and all purposes requiring
a Good Battery.