This folder contains correspondence and other documents relating to the business of the Automatic Phonograph Exhibition Co., which was organized to promote Edison's coin-operated phonograph. Also included are documents about the technical development of the coin-operated phonograph and about the company's lawsuit against the North American Phonograph Co. Many of the letters are by Felix Gottschalk, president of the company. Some of the material may be partially illegible due to water damage.

Approximately 50 percent of the documents have been selected. The following categories of documents have not been selected: letters of transmittal and acknowledgement; routine business correspondence concerning stock transfers and company meetings; duplicate copies of selected documents.