Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
accuracy adjustable angles antique archeology azimuth backgound background cartography cutout equipment exact gauge geodesy geodetic global industry instrument level levelling manual measurement measuring nobody object old one optical optics points position positioning precise precision prism site station survey system tacheometer technology telescope theodolite tool topographic topography triangulation vertical white