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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 ...
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 was made entirely of wood and metal and ...
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 ...
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.
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
Port Authority of New York and New Jersey Police Department badge. A badge is a device or accessory, often containing the insignia of an organization, which is presented or displayed to indicate some feat of service, a special accomplishment, a symbol of authority granted by taking an oath (e.g., police and fire), a sign of legitimate employment or student status, or as a simple means of ...
An 1880 penny-farthing (left), and a 1886 Rover safety bicycle (right). The first bicycle to be called a "safety" was designed by the English engineer Harry John Lawson (Henry Lawson) in 1876, [6] although other bicycles which fit the description had been developed earlier, such as by Thomas Humber in 1868. [7]
] WVSP is the 4th oldest State Police agency in the United States of America. Governor John Jacob Cornwell was insistent upon having a State Police force which he said, "was mandatory in order for him to uphold the laws of our state." Part of the compromise was the name of the organization: "West Virginia Department of Public Safety" was the ...