Bold, beautiful fountain pen signature, “Thos. A. Edison,” on an off-white 5 x 3 card. Accompanied by two 1930 TLS from Edison’s private secretary, William Meadowcroft, one transmitting the above item, the other briefly explaining Edison’s role in “[making] etheric force usable” and mentioning Marconi and Hertz. In fine condition, with a shade of mild, even toning to card and usual folds and light handling wear to letters. R&R COA.
