was
discharged good terms 1890 when the insulation project was
discontinued. When Fessenden's position was eliminated, Dorr was
given some his responsibilities."111 Marshall worked with him Building and
remembered him "one the most learned men had Orange. When all attempts producing satisfactory chemical substance to
insulate wires failed, Edison decided appoint Fessenden the job.O, Tate, March 21, 1889 (in 1889, Edison, T. Dorr was assistant Fessenden, who noted that was good
analyst.. When the
latter protested that was electrician who knew nothing about chemistry,
Edison retorted, ’’then want you chemist. Theo Wangemann identifies him the librarian for the first floor library,
testifying 1903 that "Dr.*’ 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.A. Schulze-Berge was German chemist employed by
Edison from December 1887 through June 1891. Wuntz. have had lot of
chemists.
109 Edison Pioneers Records, Box 21.was then assigned assistant the chief researcher Building and
was made part the experimented team looking for insulator for electrical
cables..
io8 <pAE A.
112 Marshall, Recollections ofEdison, 65.107
107 Ibid.
110 Testimony John Randolph, National Phonograph Company American Graphophone Company,
1903, 103.109
Dr., Radio News (August 1925), 158." There photograph the Radio News articles that shows Fessenden
and Dorr Building Dorr also worked batteries and borrowed books about
batteries from the library.
Dr.
111 Testimony Theo Wangemann, National Phonograph Company American Graphophone
Company, 1903, 63.-Employment, D-89-14).but none them can get results. had him
for all the books needed. Schulze-Berge was the librarian. Schulze-Berge's duplicating
experiments were carried rooms and the second floor Building 5. Edison
fired him 1889 because ”[I] can't make his work pay me.’’112
43
. Franz Schulze-Berge. left the laboratory college in
1890.’’108
John Dorr. Wuntz was German chemist whom Fessenden replaced.
A
