Set of Napier's bones, 1770-1790.

Made:
1771-1800 in London
maker:
John Imison

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Set of Napier's bones, in wooden case with trade label of "J. Imison, Clock & Watch Maker, Optician, &c., No. 58 Hay-market, London", late 18th century. Napier's bones were invented in 1617 by Lord Napier of Murchiston, the inventor of logarithms, as a way of avoiding multiplication by adding.

Details

Category:
Mathematics
Object Number:
1935-497
Materials:
mahogany (wood), metal (unknown), paper (fibre product)
Measurements:
Box Open: 15 mm x 200 mm x 165 mm, 0.14 kg
type:
napier's bones
credit:
Fithian, A.W.

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