This present work meets the need for a simple, practical book on accumulator construction and management, and is addressed to all, whether professionals or amateurs, who use accumulators or who are interested in them. Contents Include: The Electric Current; Principle of the Accumulator; Construction of Accumulators; Instructions on Erecting and Starting an Accumulator Plant; Managing, Maintaining and Repairing an Accumulator Plant; Charging Accumulators from Direct Current Sources; Charging Accumulator from Alternating Current Sources; The Use of the Booster in Accumulator Plants; Various Types of Accumulators Described; Definitions of Chief Terms Relating to Accumulators; Home-made Pocket Accumulators. This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience."