27) Buyers Guide, Warsaw collection .
24) Durand Gilmore, Mar 1907, Phono l.
36) J.
33) Memo Constable, Development Work for Ediphone, lov
1919, Phono.
organization. Ediphone minutes, experimental lists,
accounts.
35) Durand Constable and Edison, Aug 1918, Phono
Ediphone.L. Mar 1925,
1925 Radio.
28) Charles Edison Division Managers, Sept 1917, TAE Inc.
30) 78, Ediphone Business, May 1918, TAE Inc.a. Meikle, Twentieth Century Limited Industrial Design in
America 1925-1939 (Philadelphia: Temple 1979), 82. Commercial
dept.
34) Ediphone Buyers Guide, Warsaw collection.
29) Rational Ediphone Sales Conference, Jan 1925, D7
Phonograph.
.a. 1913/1914 $15,000 p. This was the cost of
one experimenter, half time for assistant Works engineer,
and skilled mechanic.P.XI
22) Miller reminiscences, lew York Public ledger.
31) Experimental costs the Ediphone rose from around $9,000
p.
26) Ediphone Competition Bulletin, #179, April 1931.
25) Dyer Durand, April 1910, Phono, ph.
32) Durand Edison, Jan 1918, Phono Ediphone.in 1920.
23) 1909, Phono Edison Business Phonograph
