This folder contains correspondence, agreements, legal statements, and other documents relating to the business of the Edison Speaking Phonograph Co., which was formed in 1878. Much of the correspondence is by Edison's associates, Edward H. Johnson and Uriah H. Painter.

Related material can be found in two groups of documents in Thomas A. Edison Papers: Outside Repositories: AT&T Archives and Historical Society of Pennsylvania: Uriah Hunt Painter Papers.

All of the documents have been selected except for duplicate copies of correspondence.

Courtesy of Thomas Edison National Historical Park.