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Automatische Übersetzung:
Entitled: "Roller skating" shows a young man on miniature, two-wheeled bicycle-like roller skates that are pedaled. Takypod is a machine is driven by pedaling, but unlike a bicycle, the rider sits on, takypoden are attached at the feet. The inventor was Edward Petrini. George Grantham Bain Collection November 8, 1910.