Charles-Nicolas Peaucellier (16 June 1832 – 4 October 1919) Leonore was a French engineer who graduated from the École polytechnique. He made a career in the French army and was promoted to général de division in 1888.
He is best known for the Peaucellier–Lipkin linkage which was partly named after him.Mathematical tutorial of the Peaucellier–Lipkin linkageHow to draw a straight line by Daina TaiminaNote sur le Losange Articulé du Commandant du Génie Peaucellier, destiné a remplacer le Parallélogramme de Watt (in French)
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