UNESCO WHS - Struve Geodetic Arc in Finland Postcard

UNESCO WHS Serie - World Heritage Sites in Finland - Struve Geodetic Arc - The Struve Arc is a chain of survey triangulations stretching from Hammerfest in Norway to the Black Sea, through 10 countries and over 2‘820 km. These are points of a survey, carried out between 1816 and 1855 by the astronomer Friedrich Georg Wilhelm Struve, which represented the first accurate measuring of a long segment of a meridian. This helped to establish the exact size and shape of the planet and marked an important step in the development of earth sciences and topographic mapping. Name: Struve Geodetic Arc Country: Finland Location: From North to South Inscription: 2005 Category: Cultural (ii)(iv)(vi) Unesco Ref: 1187-009 - 014 Special Feature: The card has a QR-Code on the backside to navigate for more Informationas about the site.