NT3335 : "Napier's bones" calculator aid at Traquair House

taken 7 months ago, near to Traquair, Scottish Borders, Great Britain

"Napier's bones" calculator aid at Traquair House
"Napier's bones" calculator aid at Traquair House
John Napier (1550 - 1617) invented this machine which allows multiplication of any number up to 11,111. Later he invented logarithms.
Traquair House
Traquair is Scotland's oldest inhabited house. It is privately owned and open to the public. It has been owned by a number of families since 1107, latterly the Stuarts, and has been a Roman Catholic stronghold.
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NT3335, 80 images   (more nearby )
Photographer
  (find more nearby)
Date Taken
Saturday, 19 May, 2018   (more nearby)
Submitted
Monday, 28 May, 2018
Geographical Context
Historic sites and artefacts  Suburb, Urban fringe 
Primary Subject of Photo
Gallery 
Subject Location
OSGB36: geotagged! NT 330 354 [100m precision]
WGS84: 55:36.4981N 3:3.8388W
Camera Location
OSGB36: geotagged! NT 330 354
View Direction
Northeast (about 45 degrees)
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Other Tags
Mathematics 

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Image Type (about): close look 
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