London, United Kingdom
Pascal's Calculator, 17th Century Artwork
Library Of Congress
Photograph - Photograph
Pascal's calculator. Historical artwork showing the mechanism inside a 17th Century mechanical device used to perform mathematical calculations. This device was invented in 1642 by the French mathematician Blaise Pascal (1623-1662). Known as the Pascaline, it used cogged wheels to perform additions and subtractions. Published in 1668.
May 2nd, 2013
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