01620nam a2200325Ia 4500 58968 BIBL 20160527190721.0 760223m19759999nyua b 00100 eng 75031499 //r854 0932764002 (v. 2) n-us--- EVLG TK6023 .H57 1975 621.385/0973 19 A History of engineering and science in the Bell System prepared by members of the technical staff, Bell Telephone Laboratories ; M.D. Fagen, editor. [New York] The Laboratories 1975-<c1985 > v. <1-7 > ill. 25 cm. Vol. 3 prepared by A.E. Joel, Jr. and other members of the technical staff, Bell Telephone Laboratories; G.E. Schindler, Jr., editor. Includes bibliographies and indexes. [1] The early years (1875-1925) -- [2] National service in war and peace (1925-1975) -- v. 3. Switching technology (1925-1975) -- [4] Physical sciences (1925-1980) -- [5] Communications sciences (1925-1980) -- [6] Electronics technology (1925-1975) -- [7] Transmission technology (1925-1975) American Telephone and Telegraph Company. History. 52284 Local Telephone United States History. 177612 Local Electronics United States History. 91230 Local Telecommunication United States History. 177584 Local Fagen, M. D. 221967 Local Schindler, G. E. 274517 Local Joel, Amos E. 239924 Local Bell Telephone Laboratories, inc. 200814 Local 45097 45097 0 0 0 621_385000000000000_B435H 0 evl 124009 10 10 1 2016-05-27 84927 0 621.385 B435h 80000000714447 2016-05-27 00:00:00 c. 2 r:58968 z:NCC:D 6 0 0 0 621_385000000000000_B435H 0 evl 124014 10 10 1 2016-05-27 84926 0 621.385 B435h 80000000714439 2016-05-27 00:00:00 r:58968 z:NCC:D 6