06/14/1878 Bennett, John Francis to Edison, Thomas Alva
(Griffin, Stockton L) Metals and minerals; Cylinder phonograph [Marginalia by Griffin, Stockton L]
[D7829]  Document File Series -- 1878: (D-78-29) Phonograph -- General
[D7829ZCD; TAEM 18:1020]
Courtesy of Thomas Edison National Historical Park.