EDISON LABORATORY Edison National Historic Site West Orange, New Jersey Volume 1

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Dr. When Fessenden's position was eliminated, Dorr was given some his responsibilities. 110 Testimony John Randolph, National Phonograph Company American Graphophone Company, 1903, 103. Schulze-Berge was the librarian.A. Edison fired him 1889 because ”[I] can't make his work pay me.was then assigned assistant the chief researcher Building and was made part the experimented team looking for insulator for electrical cables. Schulze-Berge was German chemist employed by Edison from December 1887 through June 1891. have had lot of chemists. 109 Edison Pioneers Records, Box 21. A.110 His experimental notes record his work silver and gold plating vacuum-an important element in Edison’s project duplicate cylinder records..109 Dr.’’112 43 . Dorr was assistant Fessenden, who noted that was good analyst. Wuntz. left the laboratory college in 1890." There photograph the Radio News articles that shows Fessenden and Dorr Building Dorr also worked batteries and borrowed books about batteries from the library."111 Marshall worked with him Building and remembered him "one the most learned men had Orange. Franz Schulze-Berge. Schulze-Berge's duplicating experiments were carried rooms and the second floor Building 5.*’ Fessenden soon found himself in Building where worked the insulation and ore milling projects. When all attempts producing satisfactory chemical substance to insulate wires failed, Edison decided appoint Fessenden the job. Theo Wangemann identifies him the librarian for the first floor library, testifying 1903 that "Dr. 112 Marshall, Recollections ofEdison, 65.but none them can get results. When the latter protested that was electrician who knew nothing about chemistry, Edison retorted, ’’then want you chemist.107 107 Ibid. had him for all the books needed. Wuntz was German chemist whom Fessenden replaced. 111 Testimony Theo Wangemann, National Phonograph Company American Graphophone Company, 1903, 63. was discharged good terms 1890 when the insulation project was discontinued..’’108 John Dorr., Radio News (August 1925), 158.O, Tate, March 21, 1889 (in 1889, Edison, T. io8 <pAE A.-Employment, D-89-14)