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

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A. have had lot of chemists.. 111 Testimony Theo Wangemann, National Phonograph Company American Graphophone Company, 1903, 63."111 Marshall worked with him Building and remembered him "one the most learned men had Orange.’’112 43 . Theo Wangemann identifies him the librarian for the first floor library, testifying 1903 that "Dr.. Wuntz. Schulze-Berge was the librarian. io8 <pAE A.-Employment, D-89-14). left the laboratory college in 1890. Edison fired him 1889 because ”[I] can't make his work pay me. When all attempts producing satisfactory chemical substance to insulate wires failed, Edison decided appoint Fessenden the job. was discharged good terms 1890 when the insulation project was discontinued. A. Schulze-Berge's duplicating experiments were carried rooms and the second floor Building 5. When the latter protested that was electrician who knew nothing about chemistry, Edison retorted, ’’then want you chemist. had him for all the books needed. Schulze-Berge was German chemist employed by Edison from December 1887 through June 1891. Wuntz was German chemist whom Fessenden replaced.’’108 John Dorr. Franz Schulze-Berge., Radio News (August 1925), 158. 109 Edison Pioneers Records, Box 21." There photograph the Radio News articles that shows Fessenden and Dorr Building Dorr also worked batteries and borrowed books about batteries from the library.110 His experimental notes record his work silver and gold plating vacuum-an important element in Edison’s project duplicate cylinder records. Dorr was assistant Fessenden, who noted that was good analyst. When Fessenden's position was eliminated, Dorr was given some his responsibilities.109 Dr. Dr.*’ Fessenden soon found himself in Building where worked the insulation and ore milling projects. 112 Marshall, Recollections ofEdison, 65.107 107 Ibid.was then assigned assistant the chief researcher Building and was made part the experimented team looking for insulator for electrical cables.but none them can get results. 110 Testimony John Randolph, National Phonograph Company American Graphophone Company, 1903, 103.O, Tate, March 21, 1889 (in 1889, Edison, T