Improvement of visual aids for air navigation : progress report July 1, 1953 to February 28, 1954 /

Bibliographic Details

Main Author:	Breckenridge, F. C.
Corporate Author:	United States. National Bureau of Standards
Format:	Government Document Book
Language:	English
Published:	Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, 1954.
Series:	NBS report ; 3185.
Subjects:	Aids to air navigation.
Online Access:	https://purl.fdlp.gov/GPO/gpo104901