Cathode modulation
By: by Frank C. Jones; an economical and efficient system of modulation for radiotelephony; draftings by C. C. Anderson.
Publisher: Pacific radio publishing co., inc.
Published: 1939
Place of publication: San Francisco, Calif
Language: eng
Number of pages: 86
Subjects: Radio -- Equipment and supplies.
Notes: Cover-title: Cathode modulation for economical radiotelephony.
Includes advertising matter.