04/02/1878 Edison, Thomas Alva -- Interviews
(New York Graphic; Menlo Park Laboratory; Croffut, William Augustus [supplied or conjectured]) Telephone; Cylinder phonograph [Document Within a Document]
[SB031]  Miscellaneous Scrapbook Series: Cat. 1031 (1876-1878)
[SB031075; TAEM 27:776]
Courtesy of Thomas Edison National Historical Park.