06/26/1878 Edison, Thomas Alva to New York Tribune
(Hughes, David Edward; Preece, William Henry) Patent assignments, licenses, and royalties; Carbon, coal, glass, ceramics; Telephone [Document Within a Document]
[MBSB1]  Special Collections Series -- Charles Batchelor Collection -- Scrapbooks: Cat. 1240 (1876-1878)
[MBSB10707; TAEM 94:246]
Courtesy of Thomas Edison National Historical Park.