Wireless telegraphy
Subtitle: notes for students (covering the post-master-general's air licence for W/T operators)
By: compiled by W. E. Crook ...
Series: Aeronautical series
Publisher: Sir I. Pitman & sons, ltd.
Published: 1935
Place of publication: London
Language: eng
Number of pages: 189
Subjects: Telegraph, Wireless.; Electric waves.; Radio.