Radio operators' manual.
Edition: 4th ed.
Publisher: General electric company, Radio dept.
Published: 1939
Place of publication: Schenectady, N.Y
Language: eng
Number of pages: 194
Subjects: Radio broadcasting.
Notes: "References for further study": p. 52-53.
Folded plate mounted on p. [3] of cover; blank pages for "Notes" ([6] at end)
Blank pages for "Notes" ([3] at end)
First edition has title: Police radio operator's manual.