Quiz book for applicant to United States government new rating radio operators' license examinations
Subtitle: 250 practical questions with answers - with 85 illustrations on commercial radio operating ...
By: by Jas. E. Smith.
Edition: 1st ed.
Publisher: National Radio Institute
Published: 1921
Place of publication: [Washington, D.C
Language: eng
Number of pages: 107
Subjects: Radio -- Examinations, questions, etc.