This folder contains correspondence relating to the use of Edison's alkaline storage battery in railroads and locomotives. Most of the letters pertain to the electrification of terminals in Chicago. Several items concern visitors to West Orange and experiments with Edison's locomotive battery. Among the documents in Edison's hand are draft letters to consulting engineer Horace F. Parshall and to Louis A. Ferguson of the Commonwealth Edison Co. in Chicago. Other correspondents include Edison's chief engineer, Donald M. Bliss; C. Pickard, a developer from the Canadian Maritimes; Gibbs & Hill of New York, consulting engineers for the Chicago Chamber of Commerce; and representatives of the Baldwin Locomotive Works.

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