Calculating Machine Invented by Blaise Pascal in 1642(Calculating machine invented by Blaise Pascal (1623-62) in 1642 (wood & metal))French School |
€ 115.71
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Undated · wood and metal
· Picture ID: 419856
pascaline · calculation · arithmetic · mathematics · maths · counting · dials · calculator · CNAM, Conservatoire National des Arts et Metiers, Paris / Bridgeman Images |
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