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An Optical Altitude Indicator for Night LandingOne of the most ingenious of the devices intended for use in night landing, especially emergency landing, is a very simple optical instrument known as the Jenkins night altitude indicator. The design and operation of this instrument, which allows a pilot to determine the altitude of the aircraft, is discussed. The author discusses various modifications and improvements that might be made to the instrument.
Document ID
19930080908
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Warner, John A C (Bureau of Standards)
Date Acquired
September 6, 2013
Publication Date
January 1, 1923
Report/Patent Number
NACA-TN-123
Report Number: NACA-TN-123
Accession Number
93R10198
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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