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