"Planimeter - GPS area measure" is an Android application launched by VisTech.Projects developer for people who need to do measurements on a map using mobile devices. The app uses Google Maps and GPS ...
This instrument consists of a brass drum and disc (covered with paper numbered in pencil by ones from 1 to 25) mounted on metal stands that are fastened to a wooden base. U-shaped metal bars form a ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In 1854 Jacob Amsler, a Swiss teacher ...
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