07/30/1881 Gouraud, George Edward to Insull, Samuel
(Batchelor, Charles; Fabbri, Egisto Paolo) Research and development; Expositions, demonstrations, lectures
[D8104]  Document File Series -- 1881: (D-81-04) Edison, T.A. -- General
[D8104ZCE; TAEM 57:172]
Courtesy of Thomas Edison National Historical Park.