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Curtiss C-4 or D-4, In-line 4 Engine
From the collection of National Air and Space Museum. Free to download, adapt and use — no permission needed.
About this work
Type: Reciprocating, in-line, 4 cylinders, C-4: air cooled, D-4: water cooled
National Air and Space Museum’s own descriptionCredit lineCurtiss C-4 or D-4, In-line 4 Engine. Circa 1907. Curtiss Aeroplane and Motor Company. National Air and Space Museum, Gift of Mrs. R. M. Kinderman. CC0.