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