Paul-Adrien Bourdaloue

Paul Adrien Bourdaloue (born with Bourges in 1798, died with Bourges in 1868), Engineer and Topographer French, proposed the first system of orthometric levelling of France.

Driver of the Bridges and Chaussées, then engineer-resident of the Railroads of Gard, it carries out at the request of the engineer Linant de Bellefonds, starting from 1847, the levelling of the zone of the future Suez Canal in Egypt. It raises then inter alia the difference in level between the Mediterranean and the Red Sea is negligible, as opposed to what had believed the engineers of Bonaparte.

In 1857, it is charged to proceed to the general levelling of the Metropolitan France. Of 1857 with 1863, it establishes a groundwork of 15.000 reference marks in sealed cast iron: they are the first datum lines of France.

It was Maire - assistant of the town of Bourges. In 1865, it entrusted to the architect Albert Tissandier the design of the Tower water of Séraucourt, always visible.

It is buried with the cemetery of the Capuchins of this same city.

Works

  • general Levelling of France (1864, 4 vol. in-8°), ED. Pigelet, Bourges

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