This folder contains correspondence and other documents relating to the Edison Business Phonograph Co. Included are items pertaining to company stockholders and directors, taxes, and sales. Also included are memoranda concerning research and development and a circular by Edison explaining the motor sold with the business phonograph. Among the correspondents is Frank L. Dyer, president of the Edison Business Phonograph Co.

Approximately 80 percent of the documents have been selected. The items not selected consist primarily of letters of transmittal and acknowledgment.