This book is recognized as the most complete and authoritative treatise on the automobile storage battery that has ever been published.
Guaranteed satisfactory or money refunded, if book is returned within five days after receipt.
Write for Catalog M-53 Helps for Battery Men
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A Simple System that Locates Electrical Trouble Quickly, Efficiently, Unfailingly
Makes starting, lighting, ignition and battery repair work definite, accurate, more profitable. Eliminates all guesswork, groping in the dark, trusting to luck methods. Provides the necessary and essential testing equipment for auto electric repair in one compact, portable efficient system.