Development and use of the airport orientator
By: by I.R. Metcalf, Aircraft section ... December 1938
Series: [U.S.] Civil aeronautics authority. Technical development report -- no. 20
Publisher: U.S. Govt. print. off.?
Published: 1938
Place of publication: Washington?
Language: eng
Number of pages: 67
Subjects: Radio in aeronautics
Other titles: Airport orientator
Notes: At head of title: Civil aeronautics authority ...

Formerly Report no. 5, Technical development division, Civil aeronautics authority.