Mit Kerze Betriebene Zielmarke, Die Beim Simplon Bau Im Einsatz

3D Collection – a Target Marker for the Construction of the Simplon Tunnel

This target marker was added to the collection of scientific instruments and teaching aids together with around 320 other surveying instruments from the Institute of Geodesy and Photogrammetry. It was used for surveying work during the construction of the Simplon Tunnel. The Simplon Tunnel The … Read more