Principles of electricity applied to telephone and telegraph work
Subtitle: a training course text
By: prepared for employees of the Long lines Department, American Telephone and Telegraph Company
Publisher: The Department
Published: 1941
Place of publication: New York, N.Y.]
Language: eng
Number of pages: 346
Copyright date: 1939
Subjects: Telephone; Telegraph; Electricity
Other titles: Principles of electricity; Telephone and telegraph work
Notes: "1938 edition"--Cover.

"November, 1938, (reprinted with corrections January, 1941)."

Includes index.