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