M. Hertel was a renowned cycling champion who rode under the name of Baron Impetus. He presented a motorcycle at the 1901 show
The firm merged with Automoto, and is also associated with Terrot. The engines they built were used in Automoto and Christophe motorcycles.
They became part of the Peugeot concern in 1967, and the premises were sold to the Japanese company Koyo in 1999.
Source: Motos dans la Loire
Built by the SNCAN aviation company in Lyon from 1953 to 1956 and similar in concept to the Messerschmitt, these were fitted with Ydral 175cc two-stroke engines. Prototypes had folding front wheels to facilitate storage but this was no used on production models, of which there were some 200. Sales continued until 1961.
Sales were handled by Gefscofi S. A., 45, Bd Haussmann Paris.
A. and G. Morelle, 12, avenue de la Grande Armée, Paris. Factory in Saint-Gobert (Aisne).
Built motorcycle(s) with water cooling. Possibly related to Succès.
The story is a little confused as Haustgen also built Iris motorcycles with their own water-cooled engines at this time.
Source: Bourdache p436, 437