150 Years of the International Association of Geodesy

摘要

At the invitation of the Prussian general Johann Jacob Baeyer, representatives of the states of Prussia, Austria and Saxony met in Berlin from 24 to 26 April 1862 to discuss Baeyer's 'Proposal for a Central European Arc Measurement' (Entwurf zu einer Mitteleumpaeischen Gradmessung). By the end of 1862, 16 nation states had agreed to participate in the project.