This folder contains correspondence and other documents relating to the technical and commercial development of phonographs. Among the items for 1905 are letters pertaining to phonograph advertising and to the testimony of Adolph Melzer regarding the development of phonograph records. Also included is correspondence between William E. Gilmore, president and general manager of the National Phonograph Co., and Eugene Griffin of the General Electric Co. concerning the manufacture and sale of perforated music rolls.
Approximately 50 percent of the documents have been selected. Among the documents not selected are printed items dealing with the rental of perforated music rolls and a copy of the contract between the Victor Talking Machine Co. and its dealers.