Anybody use theses in a class besides me ?
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As posted on FB
Geospatial analysis Ā·
Before GIS & Google Earth⦠there was the stereoscopeIn this photo, a cartographer uses a stereoscope to study overlapping aerial photos. By viewing them in 3D, surveyors could: Measure terrain height Map rivers, roads & cities Create topographic mapsThis was the cutting-edge of mapping technology in the mid-20th century ā a perfect blend of science, optics, and patience.From paper photos & stereoscopes ā to satellites & drones, the mission is the same: turning images into maps.#MappingHistory #Cartography #Surveying #GIS