File:Sikorsky S-38 3-view drawing NACA Aircraft Circular No.79.jpg

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Description	English: Sikorsky S-38 3-view drawing from NACA Aircraft Circular No.79
Date	1 August 1928
Source	https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19930090672.pdf
Author	NACA Aircraft Circular

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