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 64-page booklet was received ...
It was the only technological tool widely and continuously used for over three centuries. For math and science geeks it was a badge of honor, nestled neatly into a plastic pocket protector along with ...
This ten-inch, two-sided wooden slide rule is coated with white plastic and has a glass indicator with plastic and metal edges. The endpieces are L-shaped metal. The front of the base has L, LL1, DF, ...