This folder contains correspondence and other documents relating to the technical and commercial development of wireless telegraphy or radio. The items for 1908 consist primarily of routine correspondence with the Marconi Wireless Telegraph Co. of America regarding the renewal of notes held by Edison. Several of the letters contain brief marginal notes by Edison indicating his willingness to extend the notes. The company's annual report for the year ending January 31, 1908, and the report of its yearly meeting held on April 20, 1908, are also included.