02/22/1878 Carman, George E, Force, Martin N, Batchelor, Charles, Kruesi, John and Edison, Thomas Alva -- Technical Notes and Drawings
Cylinder phonograph; Phonograph equipment and accessories
[QP001]  Litigation Series -- Phonograph Cases: American Graphophone Company v. U.S. Phonograph Company et al.
[QP001772; TAEM 116:456]
Courtesy of Thomas Edison National Historical Park.