These notes in the hand of Thomas Edison cover the years 1914-1915 and 1919-1926. They are addressed to John V. Miller, manager of the Chemical Works Division of the Edison Storage Battery Co., and to Charles Francis (Frank) Hunter, superintendent of the Chemical Works. Also included are letters from the Vacuum Oil Co. and Powers-Weightman-Rosengarten Co. bearing marginal notations by Edison.

Courtesy of Alvin J. Salkind.