Part Of: Document File Series -- 1909

[D0943-F] (D-09-43) Radio

This folder contains correspondence and other documents relating to the technical and commercial development of wireless telegraphy or radio. The items for 1909 consist primarily of correspondence with the Marconi Wireless Telegraph Co. of America regarding the renewal of notes held by Edison. Also included are letters of inquiry and items pertaining to former Edison associate Patrick B. Delany and his "telepost" system.

Approximately 40 percent of the documents have been selected. The items not selected include unsolicited inquiries and most of the communications of the Marconi company.

Courtesy of Thomas Edison National Historical Park.

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