Calculating machine invented by Blaise Pascal in 1642(Calculating machine invented by Blaise Pascal (1623-63) in 1642 (wood and metal))French School |
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Undated · wood and metal
· Picture ID: 420588
pascaline · calculation · calculator · arithmetic · maths · mathematics · counting · dials · dial · apparatus · CNAM, Conservatoire National des Arts et Metiers, Paris / Bridgeman Images |
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