Rupta Motocyclettes
1910~1913
Built under license from Deronziere (owned by Eugene Billion) by Manufacture Française d'Armes (Manufrance) of St Etienne.
Models built in 1910-1912 were of 2 h.p. and had pedals and belt drive, In 1913 the engine capacity was increased to 2½ h.p.
From 1914 on the machines were marketed by Manufrance under the Hirondelle marque.
Sources: ultimalyon.jpcor.fr, lerepairedesmotards.com, Bourdache p379, Motos dans la Loire
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