Delambre-Méchain
triangulation

Triangles shown in dotted lines were secondary ones done as a check on the primary triangles.

map showing triangles measured by Delambre and Mechain

Adapted from Jean-Baptiste-Joseph Delambre, Grandeur et Figure de la Terre, edited by G. Bigourdan (Paris, 1912), pages 232 & 233.

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Last revised: 6 March 2014.