Set of Napier's bones, 18th century.

Made:
1701-1800
Set of Napier's bones 18th century, in wooden box Set of Napier's bones 18th century, in wooden box Set of Napier's bones 18th century, in wooden box

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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 

Buy

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

License

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

Buy this image as a print 

Buy

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

License

Set of Napier's bones 18th century, in wooden box
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Set of Napier's bones 18th century, in wooden box
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Set of Napier's bones 18th century, in wooden box
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Set of Napier's bones 18th century, in wooden box

Set of ivory Napier's bones 18th century, in wooden box. John Napier of Merchiston, invented both logarithms in 614 and his 'bones' in 1617, sets of rods with tables inscribed on them which allow the user to multiply by simply adding figures.

Details

Category:
Mathematics
Object Number:
1965-83
Materials:
ivory, paper (fibre product) and wood
Measurements:
overall (bones): 6.9 mm x 74.9 mm x 6.9 mm,
overall (box): 88.5 mm x 53.5 mm x 25.5 mm,
total weight: .11 kg
type:
napier's bones
credit:
Lee, J.R.