The dandy horse, an English nickname for what was first called a Laufmaschine, then a vélocipède or draisienne, and then a pedestrian curricle or hobby-horse, or swiftwalker, is a human-powered vehicl
Wooden dandy horse (around 1820), a patent-infringing copy of the first two-wheeler
Original Laufmaschine' of 1817 made to measure.
Johnson’s Ladies’ Walking Machine, sold in London 1818–1819
The remaining extant Johnson’s Ladies’ Walking Machine, in the Science Museum, London
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.
Dandy horse
…1817, and patented by him in France in February 1818 as a vélocipède. It is also known as a Draisine (German: in German, a term used in English only for light auxiliary railcars regardless of their form of propulsion), and as a draisienne (French: in French and English. In English, it is also sometimes still known as a velocipede…
Two-person rail-cycle draisine with four wheels, for leisure
World record holding rail human powered vehicle (HPV) at Laupen 2001