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