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