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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 ...
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 ...
One, the scooter-like dandy horse or celerifere of the French Comte de Sivrac, dating to 1790, was long cited as the earliest bicycle, however, most historians now believe these unsteerable hobby-horses probably never existed, but were made up by Louis Baudry de Saunier, a 19th-century French bicycle historian.
Meyer invented the wire-spoke tension wheel in 1869 and produced a classic high bicycle design until the 1880s. A penny-farthing or ordinary bicycle photographed in the Škoda museum in the Czech Republic. James Starley in Coventry added the tangent spokes and the mounting step to his famous bicycle named "Ariel". He is regarded as the father ...
The construction of the boneshaker was similar to the dandy horse: wooden wheels with iron tires and a framework of wrought iron. As the name implies it was extremely uncomfortable, but the discomfort was somewhat ameliorated by a long flat spring that supported the saddle and absorbed some of the shocks from rough road surfaces.
In the early 1860s the first true bicycle was created in Paris, France, by attaching rotary cranks and pedals to the front wheel hub of a dandy-horse. The Olivier brothers recognized the commercial potential of this invention, and set up a partnership with blacksmith and bicycle maker Pierre Michaux, using Michaux's name, already famous among enthusiasts of the new sport, for the company.
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
The term 'safety bicycle' was used in the 1880s for any alternative to the penny-farthing. The front and rear wheel were not necessarily the same size. [3] Later historians began to use the term in a more restricted way for the design that was a direct ancestor to most modern bicycles.