Built in 1891 by Enrico Pecori, the steam tricycle was powered by a flat twin-cylinder engine with chain drive to the rear wheels. It includes the definitive components of steam vehicles, with "gas compression to more than 7 atmospheres, flexible and light steering, front engine and propulsion by chain transmission, spoked wheels surrounded by a rubber tire..."
Sources: antiqbrocdelatour.com; museoauto.com
