A history of engineering and science in the bell system communications sciences (1925-1980) /

A history of engineering and science in the bell system communications sciences (1925-1980) / prepared by members of the technical staff, AT & T Bell Laboratories; editor, M. D. Fagen. - New York : AT & T Bell Laboratories, 1975. - v. : ill. ; 23cm.

0932764061 (vol.5)

75-31499


Telephone--History.--United States
Telecommunication--History.--United States
Electronics--History.--United States
American telephone and telegraph company--History.

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