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