23 Edison annotation May 1898 letter, 1898 Radio.
41) Miller Heifman, Dec 1909, 090927, 433.
30) Mew York Times. Oct 1926, Radio.A.
29) TAE annotation Sun Radio Data Sheets, "Speaker
Distortion;" TAE Phillips, Dec 1925, Radio.
25) Wise, pp.
33) John Constable letter, May 1919, Edison General
Correspondence, subjects.
31) TAE DeForest, June 1926, box bio.
38) Gradeon advertisment, Mew York Times.
37) R. Mann, May 1910, 100521.: Harlan Davidson, 1982), 243.
40) TAE Inc minutes, feb 1926, 68. July 1926, 9.
28) Chas Edison 1926 Radio cabinets. 157-159.
27) Miller G.
24) Reich, pp.
.
26) C.
32) Feb 1917 General Correspondence, subjects.
21) Fabricant, Manufacturing Industries, 578.XII1-29
19) Questionaire answered TAE, 1926 Phono adv. 218-219.
35) Chas Edison TAE, June 1927, TAE Work outline.
36) TAE Phillips, Dec 1925, Radio.
20) Mallory Meadowcroft, Jan 1922, box bio.
22) See Harold Bowen, The Edison Effect (West Orange: Thomas
Alva Edison foundation, 1951) for history Edison’s role in
wireless; Meadowcroft annotation "The Story Great
Achievement" DIO Radio.H.J. Pusateri, History American Business (Arlington
Heights, 111.
39) Miller TAE, Oct 1925, Phono Victor. Allen Charles Edison, April 1925, Phono Manu.
34) JPC Boykin, Oct 1918
