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Le rhone. Le Rhone Model Own Photo taken July at the Smithsonian's Steven UdvarHazy Center FranksValli From the placard Le Rhone Model The Societe des Moteurs Gnome et Rhone built the Le Rhone Model to power variety of combat aircraft during World War including the Nieuport Hanriot HD SPAD Nieuport Triplane and Sopwith Triplane