One wheel motor cycle, 1931
Photograph via Nationaal Archief on Flickr
One wheel motorcycle (invented by Italian M. Goventosa de Udine). Maximum speed: 150 kilometers per hour ( 93 Mph). 1931
Photograph via Nationaal Archief on Flickr
One wheel motorcycle (invented by Italian M. Goventosa de Udine). Maximum speed: 150 kilometers per hour ( 93 Mph). 1931