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 ...
Ever wanted to know how engineers made their calculations before digital calculators were on every workbench? [Richard ...
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, ...
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