This folder contains correspondence and other documents relating to the business of the Edison Phonograph Works. Among the items for 1906 are a series of detective reports addressed to William E. Gilmore, president of the National Phonograph Co. and manager of the Edison Phonograph Works, regarding the sale of scrap from the Works; a statement of assets and liabilities; and a memorandum concerning weekly production. Also included is a letter from Frank L. Dyer, general counsel of the Legal Department, pertaining to affidavits sworn by Edison as part of the ongoing litigation with the New York Phonograph Co.

Approximately 20 percent of the documents have been selected. The items not selected include notices of board meetings, statements of account, and routine detective reports.