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