This folder contains routine correspondence and other documents relating to the business of the Edison Manufacturing Co. Most of the items are letters to and from William E. Gilmore, vice president and general manager of the company. Among the documents for 1907 are statements of account, a letter pertaining to purchases from the Edison Portland Cement Co., memoranda regarding prices, and correspondence concerning the use of phonoplex circuits.

Other items in the Document File relating to the Edison Manufacturing Co. can be found in D-07-02 (Battery - Primary) and in D-07-28 (Motion Pictures).