File:Telephone motor generator (Rankin Kennedy, Electrical Installations, Vol V, 1903).jpg
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![File:Telephone motor generator (Rankin Kennedy, Electrical Installations, Vol V, 1903).jpg](http://178.128.105.246/cars-https-upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Telephone_motor_generator_%28Rankin_Kennedy%2C_Electrical_Installations%2C_Vol_V%2C_1903%29.jpg/762px-Telephone_motor_generator_%28Rankin_Kennedy%2C_Electrical_Installations%2C_Vol_V%2C_1903%29.jpg?20100318180726)
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