Title :
A Telegraph Signal Analyzer
Author_Institution :
Engineering department, Western Union Telegraph Company, New York, N. Y.
Keywords :
Automatic testing; Circuit testing; Distortion measurement; Keyboards; Maintenance; Printers; Signal analysis; Switches; Telegraphy; Teleprinting;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1948.5059687
