The Gnome-Rhône 14K Mistral Major was a 14-cylinder, two-row, air-cooled radial engine. It was Gnome-Rhône's major aircraft engine prior to World War II, and matured into a highly sought-after design
Gnome-Rhône 14K on display at the Museu do Ar
A Piaggio P.XI engine at the Malmohus Technical Museum, Malmo, Sweden.
A Tumansky M-85 at the Aviation Museum of Central Finland.