Standard telephone wiring for common battery and magneto systems
Subtitle: a hand-book for telephone men, containing diagrams of circuits for straight lines, party lines, plans, sub-stations, private lines and intercommunicating systems, with a brief description of the apparatus used and rules of the fire underwriters...
Publisher: McGraw publishing comany
Published: 1905
Place of publication: New York
Language: eng
Number of pages: 91
Subjects: Telephone; Electric wiring