Antoine CHÉZY (1718-1798) engineer, mathematician and hydraulic engineer. L.A.S., Paris September 28, 1780; 1 1/2 pages in-4. As Inspector General of the Paris pavement, he will undertake, by order of M. de Cotte, the work necessary to repair the pavement of "la chaussé du bac de carrierre", once the structural works intended to support the roadway have been completed... Attached is a l.s. by De Cotte to M. de Bercy on this subject (August 26, 1780).