The Pascaline, an early mechanical calculator, was built in 1642 by mathematician Blaise Pascal.
A rare 17th-century calculating machine created by French mathematician Blaise Pascal has become the center of a heated legal ...
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'National treasure': Christie's suspends sale of Blaise Pascal's 17th century calculating machine
A French court has blocked the export and foreign purchase of a 17th century arithmetic machine invented by Blaise Pascal to ...
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