In the early 20th century, William A. Morschhauser of New York City became the exclusive American distributor of the Millionaire calculating machine. He placed machines at several United States ...

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 ...

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 ...

The sale of an ancient arithmetic machine known as the 'Pascaline' has been suspended after a French administrative court blocked its export. Leading auction house Christie's decided to call off its ...

(STEPHANE DE SAKUTIN/AFP/AFP) Christie's said Wednesday it was suspending the Paris auction of one of just a handful of examples of the world's first calculating machine, developed by French ...

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National 3000 automatic bookkeeping calculating machine no 101364 42-BT, by National Cash Register Company Limited, England, 1935-1945. This machine was formerly the property of Dr. L J Comrie FRS.

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 ...