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Claude Langlois
Claude Langlois (c. 1700 – 1756) was a French maker of precision scientific instruments and the foremost among them in the period. His instruments included draughtsman's tools like an improved pantograph, measuring instruments, and six-foot quadrants for astronomical angle measurement. He was appointed official instrument maker for French astronomers Cassini II, Cassini de Thury, Le Monnier, Maupertuis, and the Abbé de Lacaille; and held the official position of ingénieur en instruments de mathématiques for the French Académie des Sciences in 1740. Little is known of Langlois' life but he was considered the most famous maker of scientific instruments between 1730 and 1756 and many of his instruments are known from his name on them. This was a period when English instrument makers were leading with master instrument makers like Nicolas Bion and Michael Butterfield. Langlois' earliest known contract was for a six-foot wall quadrant for the Paris observatory with markings ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Langlois Pantograph
Langlois or L'Anglois is a surname of French origin. It may refer to: *Aimé Langlois (1880–1954), Liberal party member of the Canadian House of Commons *Al Langlois (born 1934), Canadian ice hockey player *Alexandre Langlois (1788–1854), French Indologist and translator *Anabelle Langlois (born 1981), Canadian pairs figure skater *Bruno Langlois (born 1979), Canadian racing cyclist *Charles Langlois (actor) (1692–1762), French actor who spent a large part of his career in Sweden *Charles Langlois (politician) (born 1938), member of the Canadian House of Commons from 1988 to 1993 *Charles-Victor Langlois (1863–1929) French historian and paleographer who taught at the Sorbonne *Charlie Langlois (1894–1965), Canadian professional hockey player *Chibly Langlois (born 1958), Haitian cardinal of the Roman Catholic Church *Christian Langlois (born 1963), Film director from Montreal, Canada *Daniel Langlois, Canadian media company founder and philanthropist *Denis Langlois (born 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
