Automatic telephony simplified
Subtitle: a book for telephone engineering officers, traffic officers, and students who wish to acquire a sound knowledge of the principles and practice of automatic telephony as adopted by the British Post office
By: by C. W. Brown ...
Publisher: Sir I. Pitman
Published: 1928
Place of publication: London, New York
Language: eng
Number of pages: 168
Subjects: Telephone, Automatic.
Notes: "List of useful textbooks and professional papers on the subject of automatic telephony": 151-152.