12/18/1882 Batchelor, Charles to Porges, Charles
(Turrettini, Theodore; Edison, Thomas Alva) International business operations; Financial operations (companies and organizations); Incandescent lamp
[MBLB4]  Special Collections Series -- Charles Batchelor Collection -- Letterbooks: Cat. 1239 (1881-1883)
[MBLB4409; TAEM 93:760]
Courtesy of Thomas Edison National Historical Park.