I first learned about the Curta from this January 2004 article in Scientific American, by Cliff Stoll. Unfortunately, the article is not available for free. But you can purchase a PDF of the whole Jan ...
This compact cylindrical handheld stepped drum calculating machine has gray metal sides and a black top and operating handle. Eleven slots along the side of the cylinder have plastic red and black ...
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 compact cylindrical handheld ...
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