Decauville was a French automobile maker, a subsidiary of a company producing locomotives.
Originally registered as Société des Voitures Automobiles Decauville in 1897. The first car was designed by Messrs Joseph Guédon and Gustave Cornilleau.

Decauville 2HP Vis-à-vis 1899
London to Brighton 2014
Mark J. Willison Photo
Reg Number: 8553RB61;
Make: Decauville;
Body: Vis-à-vis;
Year: 1899;
Cylinders: 2;
Horse Power: 2;
The car is a tiller-steered three-seater in the voiturette (cyclecar) class featured independent suspension by transverse spring and two single-cylinder air-cooled engines produced by De Dion-Bouton sharing a common crankcase. At 498 cc engine, 2 hp and two-speed transmission.