IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This white plastic circular slide ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This aluminum ten-inch linear duplex ...
In 1622, William Oughtred created the first slide rule, a simple and easy-to-use calculation device consisting of two parallel logarithmic rulers that can slide past each other. It was the beginning ...