A history of engineering and science in the Bell System
Subtitle: the early years (1875-1925)
By: prepared by members of the technical staff, Bell Telephone Laboratories ; M. D. Fagen, editor.
Contributors: Fagen, M. D.
Publisher: Bell Telephone Laboratories
Published: 1975
Place of publication: (New York)
Language: eng
Number of pages: 1073
Subjects: American Telephone and Telegraph Company -- History.; Telephone -- History -- United States.; Telecommunication -- History -- United States.
Notes: Includes index.

Bibliography: p. 1015-1044.