03/02/1879 Upton, Francis Robbins to Upton, Elijah Wood
(Upton, Elizabeth Perry (Mrs Francis R.)) Salaries, wages, and commissions; Electric light and power; Incandescent lamp
[MU02]  Special Collections Series -- Francis R. Upton Collection: Unbound Documents (1879)
[MU008; TAEM 95:512]
Courtesy of Thomas Edison National Historical Park.