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These thirteen notebooks were used by Isidor (Jerry) Chesler, Charles T. Dally, Newman Henry Holland, William A. Hayes, Paul D. Payne, and Edwin Smith, Jr., during 1917-1918 for notes on a variety of experiments performed for the U.S. Navy. Included are entries relating to smoke generation to hide ships, the prevention of rust on submarine guns, and improvements to range finders and spotting telescopes. There are also notes on arc transmitters, resonators, sound-ranging apparatus. In addition, there are experiments on a respirator to protect men in the fighting tops of battleships from sulphur dioxide fumes, an airplane stabilizer to prevent undesired pitching motions, a primary battery for airplane use, and a smoke bomb. Much of this work was carried out under the direction and supervision of Edison.