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 pocket-sized sheet metal ...
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 the late 19th and early 20th ...
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 ...
The SuperCool Slide Rule is a compilation of four different HVAC slide rules. It performs superheat and subcooling calculations for both R-22 and R-410A, and contains the most comprehensive duct ...
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