File:Dyle et Bacalan DB-80 left front NACA Aircraft Circular No.123.jpg

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Summary

Description	English: Dyle et Bacalan DB-80 photo from NACA Aircraft Circular No.123
Date	1 August 1930
Source	https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19930090415.pdf
Author	NACA Aircraft Circular

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