Electric telegraphy
By: by Edwin J. Houston, PH.D., and A.E. Kennelly, SC.D.
Contributors: Kennelly, Arthur E. (Arthur Edwin), 1861-1939
Series: Elementary electro-technical series
Publisher: The W. J. Johnston Company
Published: 1897
Place of publication: New York
Language: eng
Number of pages: 448
Subjects: Telegraph
Notes: Includes index.