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Napier's Bones, 1671-1700. John Napier (1550-1617), discoverer of logarithms, created the popular calculating tool known as Napier's rods or bones. Napier's rods reduced multiplication to a sequence of simple additions; division and square roots could also be achieved.
Location
Science Museum/London/Great Britain
Unique Identifier
ART393565
Type
Image
Purpose
Public
Size
3504px × 2862px
Photo Credit
SSPL/Science Museum / Art Resource, NY
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Tags
17th century CE
Calculation
Calculator
Napier, John (1550-1617), Mathematician
Napier's bones