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Wooden dandy horse (around 1820), a patent-infringing copy of the first two-wheeler Original Laufmaschine of 1817 made to measure.. The dandy horse, an English nickname for what was first called a Laufmaschine ("running machine" in German), then a vélocipède or draisienne (in French and then English), and then a pedestrian curricle or hobby-horse, [1] or swiftwalker, [2] is a human-powered ...
It is the first reliable claim for a practically used precursor to the bicycle, basically the first commercially successful two-wheeled, steerable, human-propelled machine, nicknamed hobby-horse or dandy horse. [1] Drais's dandy horse, called Draisine in German, whose name was inherited by the rail vehicle. (Drawing published in 1817.)
A dandy horse (built c. 1820) Balance bikes descend from the earliest two-wheeled bicycle, a Laufmaschine or dandy horse, invented by Karl Drais in 1817. [4] These early balance bikes consisted of a simple wooden frame with two wheels and no pedals, and were designed for adult use. [5] [6]
He obtained a patent in January 1818. This was the world's first balance bicycle and quickly became popular in both the United Kingdom and France, where it was sometimes called a draisine (German and English), draisienne (French), a vélocipède (French), a swiftwalker, a dandy horse (as it was very popular among dandies) or a Hobby horse. It ...
Drais invented his Laufmaschine (German for "running machine") in 1817, that was called Draisine (English) or draisienne (French) by the press. Karl von Drais patented this design in 1818, which was the first commercially successful two-wheeled, steerable, human-propelled machine, commonly called a velocipede , and nicknamed hobby-horse or ...
Drais was unable to market his inventions for profit because he was still a civil servant of Baden, even though he was being paid without providing active service. As a result, on 12 January 1818, Drais was awarded a grand-ducal privilege (Großherzogliches Privileg) to protect his inventions for 10 years in Baden by the younger Grand Duke Karl ...
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Claude Shannon (1916–2016), founder of information theory and modern cryptography, invented Minivac 601, and co-invented the first wearable computer (with Edward O. Thorp) Ugo Cerletti (1877–1963), together with Lucio Bini (1908–1964), Italy – Electroconvulsive therapy; Leona Chalmers (c. 1937), U.S. – modern menstrual cup