1898 De Dion Bouton tricycle.
https://diqn32j8nouaz.cloudfront.net...n_tricycle.jpg
Previously:
https://www.homemadetools.net/forum/...945#post152922
https://www.homemadetools.net/forum/...422#post166198
https://www.homemadetools.net/forum/...339#post150544
