This collection consists primarily of letters exchanged between Edison and Secretary of the Navy Josephus Daniels, along with related correspondence. Many of the typewritten letters are accompanied by drafts in Edison's hand. The one item in this folder is from February 11, 1918. It pertains to experiments with Edison's sea anchor that were conducted at the U.S. Naval Station in Key West, Florida. Also known as a water brake or water-kite rudder, the sea anchor was designed to enable a merchant vessel to turn quickly and avoid enemy torpedoes. Related material can be found in Report 44.
This project is described on pp. 164-165 of Lloyd N. Scott's Naval Consulting Board of the United States.
Charles Hummel Collection, Wayne, N.J.
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