Specifications of Patents Relating to the Telephone and Secondary Batteries, Etc

Specifications of Patents Relating to the Telephone and Secondary Batteries, Etc

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A charging-circuit leads from this generator to the various cars of the train, being provided with automatically-de tachable couplings, ... Each car is provided with a secondary battery intended to remain permanently in the car and to be charged from the generator, all these ... In the accompanying drawings, Figure 1 represents a theoretical diagram of an apparatus embodying all onr improvements, some ofanbsp;...


Title:Specifications of Patents Relating to the Telephone and Secondary Batteries, Etc
Author: United States. Patent Office
Publisher: - 1888
ISBN-13:

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