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