It was decided to measure, using the method of triangulation with sightings made with the Borda repeating circle, that part of the meridian between Dunkerque and Barcelona.
Ito ay nagpasya na masukat, ang paggamit ng paraan ng triangulation na may sightings na ginawa sa mga Borda paulit-ulit na bilog, na bahagi ng katanghaliang tapat sa pagitan ng Dunkerque at Barcelona.