02/28/1878 Green, Norvin to Edison, Thomas Alva
(Society of Telegraph Engineers (London); Preece, William Henry [supplied or conjectured]) Cylinder phonograph
[SB031]  Miscellaneous Scrapbook Series: Cat. 1031 (1876-1878)
[SB031024; TAEM 27:744]
Courtesy of Thomas Edison National Historical Park.