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Louis Vicat (31 March 1786, Nevers - 10 April 1861, Grenoble) French engineer. He graduated from École Polytechnique 1804 and École des Ponts et Chaussées 1806. Vicat studied setting of mortars (''white gold''). The material was popular but was superseded by Portland cement. He also invented the Vicat needle that is still in use for determination of setting time of concretes and cements. His son, Joseph Vicat, founded Vicat Cement, which is today a large international cement manufacturing company. Member of the French Academy of Sciences, his name is one of the 72 names inscribed on the Eiffel Tower. == Biography == * Guy Coriono (1997) ''250 ans de l'École des Ponts et Chaussées en cent portraits''. 222 pp. Presses de l'École Nationale des Ponts et Chaussées, Paris, ISBN 2-85978-271-0. * Antoine Picon (1997) ''L'art de l'Ingénieur. Constructeur, entrepreneur, inventeur''. 598 pp. Editions du Centre Pompidou, Paris, ISBN 2-85850-911-5. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Louis Vicat」の詳細全文を読む スポンサード リンク
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