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