Home›19th-century motorcycles›罗珀蒸汽自行车🌐中文EnglishDeutschEspañolNederlandsSvenska中文EntityQ2166265· pop 7· linked from 40 articles罗珀蒸汽自行车steam-powered velocipedeWikidata factsImageThe Greatest Mechanical Exhibition in the World. Roper steam handbill.pngShow 1 more factCommons categoryRoper steam velocipedeSources (1)en.wikipedia.orgvia Wikidata · CC0Available in 6 languagesEspañolDeutschEgyptian ArabicNederlandsSvenskavia Wikidata sitelinks · CC0ConnectionsSmithsonian InstitutionEntitySolomon R. Guggenheim MuseumEntityCategories19th-century motorcyclesAmerican inventionsExperimental vehiclesMotorcycles of the United StatesSteam motorcycles