The FIRST Steam Motorcycle in the world ROPER 1869 year!
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Amazing Motorcycle RIDE with steam engine. Motorbike built by Sylvester Howard ROPER in 1869 year. One such machine was demonstrated at fairs and circuses in the eastern US on 1867. První parou poháněná motorka na světě z roku 1869 na Nábřeží paromilů.