Collection

Napier's bones or rods

Made:
1671-1700 in England
Napier's bones or rods, wood, in case. England, United Kingdom Napier's bones or rods, wood, in case. England, United Kingdom Napier's bones or rods, wood, in case Napier's bones or rods, wood, in case Napier's bones or rods, wood, in case Napier's bones or rods, wood, in case Napier's bones or rods, wood, in case
Napier's bones or rods, wood, in case. England, United Kingdom Napier's bones or rods, wood, in case. England, United Kingdom Napier's bones or rods, wood, in case Napier's bones or rods, wood, in case Napier's bones or rods, wood, in case Napier's bones or rods, wood, in case Napier's bones or rods, wood, in case

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

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License this image for commercial use at Science and Society Picture Library

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

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License this image for commercial use at Science and Society Picture Library

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

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Napier's bones or rods, wood, in case. England, United Kingdom
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Napier's bones or rods, wood, in case. England, United Kingdom
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Napier's bones or rods, wood, in case
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Napier's bones or rods, wood, in case
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Napier's bones or rods, wood, in case
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Napier's bones or rods, wood, in case
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Napier's bones or rods, wood, in case
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Napier's bones or rods, wood, in case

Napier's bones, cylindrical type, late 17th century. 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.

Details

Category:
Mathematics
Object Number:
1876-931
Materials:
brass (copper, zinc alloy) and box (wood)
type:
napier's bones
credit:
Dring and Fage

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