TY - BOOK AU - Fagen,M.D. AU - Schindler,G.E. AU - Joel,Amos E. ED - Bell Telephone Laboratories, inc. TI - A History of engineering and science in the Bell System SN - 0932764002 (v. 2) AV - TK6023 .H57 1975 U1 - 621.385/0973 19 PY - 1975///- CY - [New York] PB - The Laboratories KW - American Telephone and Telegraph Company KW - History KW - Local KW - Telephone KW - United States KW - Electronics KW - Telecommunication N1 - 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) ER -