A history of engineering and science in the Bell system

Descripción

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. The early years (1875-1925) -- National service in war and peace (1925-1975) -- v. 3. Switching technology (1925-1975) -- Physical sciences (1925-1980) -- Communications sciences (1925-1980) -- Electronics technology (1925-1975) -- Transmission technology (1925-1975).