This folder contains correspondence and other documents relating to the business of the Edison Manufacturing Co. Included are items pertaining to the use of Edison's signature as a registered trademark and to the use of phonoplex circuits by Western Union. Also included is a statement of the company's assets as of March 1, 1899, submitted by William E. Gilmore, general manager.

More than 90 percent of the documents have been selected. The items not selected consist of requests for information regarding phonoplex circuits and documents that duplicate information in selected material.

Other items in the Document File relating to the Edison Manufacturing Co. can be found in D-99-15 (Motion Pictures).