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
References
External links
- Description et usage du pantographe, autrement appelé singe , changé & perfectionné par C. Langlois, ingénieur du Roi & de l'Académie royale des sciences pour les instrumens de mathématiques (1744)
- A set of instruments in the History of Science Museum