1940 Hensel steam tricycle.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...e_fullsize.jpg
Previously:
Steam motorcycle - GIF
Black Pearl steam motorcycle - photos
Steam engine powered bicycle - photo
1869 Roper Steam Velocipede first motorcycle - video and photo
1903 Harley-Davidson serial number one motorcycle - photo
Bookmarks