1898 DE DION-BOUTON MOTORCYCLE vintage color postcard FRENCH MOTORIZED TRICYCLE | eBay
1899 De Dion Bouton Tricycle (250cc) | Graham Woodward | Flickr
De Dion-Bouton Tricycles - Brooklands - YouTube
SNAPSHOT 103: A c1898 De Dion Bouton Motorised Tricycle
Legendary Motorcycles - 1898 De Dion-Bouton Tricycle, built in France 1896-1901. Regarded as the 1st mass produced motorcycle, 15,000 units sold. | Facebook