This Week in History of Computing


On January 13, 1874 The US Patent Office issues a patent for the Spalding Adding Machine. The precursor of calculators and computers, mechanical adding machines could do simple arithmetic and were popular in businesses until supplanted by computers in the 1960s.https://www.computerhistory. On January 14, 1919 was born Nathaniel Rochester. He was an American computer scientist. …   Learn more …

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