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- Roper_steam_velocipede abstract "The Roper steam velocipede was a steam-powered velocipede built by inventor Sylvester H. Roper of Roxbury, Boston, Massachusetts, United States sometime from 1867–1869. It is one of three machines which have been called the first motorcycle, along with the Michaux-Perreaux steam velocipede, also dated 1867–1869, and the 1885 Daimler Reitwagen. Historians disagree over whether the Roper or the Michaux-Perreaux came first. Though the Reitwagen came many years later than the two steam cycles, it is often, perhaps most often, known as the "first motorcycle" because there is doubt by some experts that a steam cycle meets the definition of a motorcycle.After his initial prototype of the late 1860s, Roper built a new and revised version in 1884, based on the then state of the art safety bicycle frame type. Sylvester Roper died of an apparent heart attack while riding this machine in 1896.An 1869 Roper machine is now in the Smithsonian Institution, and one from 1868 is in private hands after being offered at auction in 2012. An 1894 Roper velocipede was in The Art of the Motorcycle, Las Vegas, and was in the 2011 Deeley Museum collection in Vancouver.".
- Roper_steam_velocipede thumbnail The_Greatest_Mechanical_Exhibition_in_the_World._Roper_steam_handbill.png?width=300.
- Roper_steam_velocipede wikiPageID "30755745".
- Roper_steam_velocipede wikiPageRevisionID "593738329".
- Roper_steam_velocipede assembly "Boston, Massachusetts".
- Roper_steam_velocipede boreStroke "/?".
- Roper_steam_velocipede brakes Bicycle_brake.
- Roper_steam_velocipede caption "Handbill for Roper steam demonstration.".
- Roper_steam_velocipede class "Steam motorcycle".
- Roper_steam_velocipede colwidth "30".
- Roper_steam_velocipede engine "Single cylinder steam".
- Roper_steam_velocipede engine "Twin cylinder steam".
- Roper_steam_velocipede frame "Iron".
- Roper_steam_velocipede frame "Pope Columbia bicycle".
- Roper_steam_velocipede hasPhotoCollection Roper_steam_velocipede.
- Roper_steam_velocipede id "t93QlgBu4Is".
- Roper_steam_velocipede manufacturer Sylvester_H._Roper.
- Roper_steam_velocipede name "Roper steam velocipede".
- Roper_steam_velocipede production "1867".
- Roper_steam_velocipede production "1884".
- Roper_steam_velocipede suspension "Forged iron fork, rigid".
- Roper_steam_velocipede tires "Iron on wood rims, wood spokes".
- Roper_steam_velocipede title "Pete Gagan - 1896 Sylvester Roper Steam Motorcycle".
- Roper_steam_velocipede subject Category:19th-century_motorcycles.
- Roper_steam_velocipede subject Category:American_inventions.
- Roper_steam_velocipede subject Category:American_motorcycles.
- Roper_steam_velocipede subject Category:Experimental_vehicles.
- Roper_steam_velocipede subject Category:Steam_motorcycles.
- Roper_steam_velocipede type AmericanMotorcycles.
- Roper_steam_velocipede type Artifact100021939.
- Roper_steam_velocipede type Container103094503.
- Roper_steam_velocipede type Conveyance103100490.
- Roper_steam_velocipede type ExperimentalVehicles.
- Roper_steam_velocipede type Instrumentality103575240.
- Roper_steam_velocipede type MotorVehicle103791235.
- Roper_steam_velocipede type Motorcycle103790512.
- Roper_steam_velocipede type Object100002684.
- Roper_steam_velocipede type PhysicalEntity100001930.
- Roper_steam_velocipede type Self-propelledVehicle104170037.
- Roper_steam_velocipede type SteamMotorcycles.
- Roper_steam_velocipede type Vehicle104524313.
- Roper_steam_velocipede type WheeledVehicle104576211.
- Roper_steam_velocipede type Whole100003553.
- Roper_steam_velocipede type MeanOfTransportation.
- Roper_steam_velocipede type Motorcycle.
- Roper_steam_velocipede type DesignedArtifact.
- Roper_steam_velocipede comment "The Roper steam velocipede was a steam-powered velocipede built by inventor Sylvester H. Roper of Roxbury, Boston, Massachusetts, United States sometime from 1867–1869. It is one of three machines which have been called the first motorcycle, along with the Michaux-Perreaux steam velocipede, also dated 1867–1869, and the 1885 Daimler Reitwagen. Historians disagree over whether the Roper or the Michaux-Perreaux came first.".
- Roper_steam_velocipede label "Roper (Verenigde Staten)".
- Roper_steam_velocipede label "Roper Dampfrad".
- Roper_steam_velocipede label "Roper steam velocipede".
- Roper_steam_velocipede sameAs Roper_Dampfrad.
- Roper_steam_velocipede sameAs Roper_(Verenigde_Staten).
- Roper_steam_velocipede sameAs m.0gfc_6b.
- Roper_steam_velocipede sameAs Q2166265.
- Roper_steam_velocipede sameAs Q2166265.
- Roper_steam_velocipede sameAs Roper_steam_velocipede.
- Roper_steam_velocipede wasDerivedFrom Roper_steam_velocipede?oldid=593738329.
- Roper_steam_velocipede depiction The_Greatest_Mechanical_Exhibition_in_the_World._Roper_steam_handbill.png.
- Roper_steam_velocipede isPrimaryTopicOf Roper_steam_velocipede.
- Roper_steam_velocipede name "Roper steam velocipede".