A draisine is a light auxiliary rail vehicle, driven by service personnel, equipped to transport crew and material necessary for the maintenance of railway infrastructure.
Two-person rail-cycle draisine with four wheels, for leisure
Drais's dandy horse, called Draisine in German, whose name was inherited by the later rail vehicle. (Drawing published in 1817.)
World record holding rail human powered vehicle (HPV) at Laupen 2001
Karl Freiherr von Drais was a noble German forest official and significant inventor in the Biedermeier period. He is regarded as "the father" and as the inventor of the bicycle.
Draisine
…necessary for the maintenance of railway infrastructure. The term is derived from the German inventor of a two-wheeled, foot-propelled conveyance Baron Karl Drais, who invented his Laufmaschine (German for "running machine") in 1817, which was called Draisine in German (vélocipède or draisienne in French) by the…
Karl Drais, c. 1820, then still a baron
Karl von Drais on his original Laufmaschine, the earliest two-wheeler, or hobbyhorse in 1819
A Draisine from around 1820, built with cherry wood and softwood. Displayed at the Kurpfälzisches Museum in Heidelberg, Germany.
Tomb of Karl von Drais, Karlsruhe