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Napier's bones or rods, in a form of rearrangeable multiplication table invented by John Napier (1550-1617)

Napier's bones or rods. These were made of bone or ivory, and were a form of rearrangeable multiplication table invented by John Napier (1550-1617). From Denis Diderot Encyclopedie, Paris, 1751-80.
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Titre:
Napier's bones or rods, in a form of rearrangeable multiplication table invented by John Napier (1550-1617)
Napier's bones or rods. These were made of bone or ivory, and were a form of rearrangeable multiplication table invented by John Napier (1550-1617). From Denis Diderot Encyclopedie, Paris, 1751-80.
Crédit:
Album / Universal History Archive/Universal Images Group
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Modèle: Non - Propriété: Non
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Taille de l'image:
4748 x 4417 px | 60.0 MB
Taille d'impression:
40.2 x 37.4 cm | 15.8 x 14.7 in (300 dpi)
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