Acquisition Source
Legacy CDMS
Date Acquired
August 16, 2013
Publication Date
October 1, 1948
Report/Patent Number
NACA-TN-1688Report Number: NACA-TN-1688 Accession Number
93R11616
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
EXHAUST PIPES, TAILNOISE ELIMINATIONMUFFLERS, EXHAUSTENGINES - PRESSURE, BACKSOUND - AIRPLANESSOUND - ENGINESAIRPLANES, LIGHT