Hepworth "The Phonograph," The Technical Educator. Byron Vanderbilt, Edison the Chemist (Washington,
D.
20) F.C.
.
28) TAE Batchelor, May 1889, 890408, 325. Toppan Lippincott, Oct 1888, 1888 Phono
General.
21) TAE Gouraud, May 1889, 890521, 170.: American Chemical Society, 1971), pp.S.
18) Account sheet, Jan 1889, 1889 Phono General; TAE G. Mov 1888, 1888 Phono
Gen. Beecher TAE, Nov 1889, Phono General;
Electrical World."Cited Hounshell, "From the
American System Mass Production (Baltimore: Johns Hopkins,
1984), 333; London Daily Telegraph. 434-5.A.
1890, 154-156
33) Batchelor Diary, 1337 p. Dyer, May 1889, 890408, pp.17) Tate Wright, Feb 1888, Phono Gen Jan Apr. 121-124.
27) Louis Glass TAE, July 1910, 1910 Personal friends;
"Mew Model" List, 1888 Phono Gen.582. Sept 1889.
26) boom that collapsed," Philadelphia Times. 12, Dec 1892, p. Jan 1891,
1891 Phono, Talking doll. further problem was cracking caused low
temperatures.
31) Caveat for improvements phonographs, July 1890, 1890
Phono, caveats; J. The composition the wax cylinders was based a
mixture stearic acid and its salt, sodium stearate, which is
used soaps.W.
Notage Mar 1878: .
19) Tate Lippincott, Nov 1888, 870621, 394.
29) Phonogram.
32) T.
22) Tate Dyer, Sept 1888, Phono Gen
23) TAE Gouraud, Oct 1888, Phono Gen.
25) TAE P.274. The acid the compound reacted with the metal
of the stylus create the oxidization problem referred by
Tate.C.
30) Tate, Open Door, pp.
24) List experiments dated Dec 1887, 1887 Phono Gen.S. 161-162; 880823, Aylsworth*s
notebook
