09/02/1879 Edison, Thomas Alva -- Articles
(New York Sun; Upton, Francis Robbins [supplied or conjectured]) Metals and minerals; Electric light and power; Vacuum and glass bulb
[MBSB2]  Special Collections Series -- Charles Batchelor Collection -- Scrapbooks: Cat. 1241 (1878-1881)
[MBSB21318; TAEM 94:509]
Courtesy of Thomas Edison National Historical Park.