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 1895, Otto Steiger, a Swiss ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The Swedish-born inventor Carl Friden ...

Christie’s has halted the sale of a rare 17th-century arithmetic machine that was due to be auctioned on November 19. Hours before the Pascaline, named after its polymath inventor Blaise Pascal, was ...

Grant’s difference engine was invented in 1876 by George Grant. It was a calculating machine and was invented as a way to advance the current calculating machine technology. It used the latest design ...

Frustrated by human error, mathematician and inventor Charles Babbage designed a machine to perform mathematical functions and automatically print the results. Library of Congress When today’s number ...

A rare liveaction and closeup study of the only existing Babbage Difference Engine a machine designed in the first quarter of the 19thCentury by English inventor and mathematician Charles Babbage The ...

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It’s no bigger than a drinking glass, and it fits easily in the palm of the hand. It resembles a pepper grinder—or perhaps a hand grenade. The diminutive “Curta” is a striking machine, a mechanical ...