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THE NEW YORK
COPYRIGHTED 1917, BY THE NORMAN W. HENLEY PUBLISHING COMPANY
COMPOSITION, ELECTROTYPING AND PRESSWORK
THE TROW PRESS, NEW YORK, U. S. A.
The greatly increasing field of usefulness for the storage battery and the improvements that have been made in its construction are but little appreciated by the average electrician and mechanic. Its use as a source of power for electric automobiles is, of course, well known, but one seldom considers the enormous number of batteries of this type used on the gasoline automobiles. The storage battery is one of the most important parts of the electrical system which includes engine starting and ignition, as well as car lighting of practically every gasoline automobile now manufactured. It is evident that a practical working knowledge of the operating principles and care of the various types of storage batteries now available is desirable. The industrial uses of storage batteries are also increasing, so the student who desires to keep well posted on current engineering development will find much of interest in this treatise. The writer wishes to acknowledge his indebtedness to the following storage battery makers for valuable information and permission to reproduce extracts and illustrations from their literature: Gould Storage Battery Company, Electric Storage Battery Company, Willard Storage Battery Company, U. S. Light and Heat Corporation, and Edison Storage Battery Company. Naturally such co-operation makes a more authoritative and valuable treatise than would otherwise be available. As the experience of these leading authorities on
all phases of storage battery engineering is condensed and digested, all the information that the average reader needs may be ob
tained without consulting a mass of literature. Emphasis is placed on the fact that this work is not intended as a technical treatise but a practical discussion of storage battery operating principles, their maintenance, charging, and chief industrial appli cations.
THE AUTHOR. April, 1917.
TABLE OF CONTENTS
Glossary of Storage Battery Terms.