CC0 · no rights reserved
Martin 4-333, Inverted 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, Inverted, 4 cylinders, Air-cooled
National Air and Space Museum’s own descriptionCredit lineMartin 4-333, Inverted In-line 4 Engine. Circa 1930. Martin Motors Company. National Air and Space Museum, Exchange with the Airpower Museum, Ottumwa, Iowa. CC0.