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