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Science Museum Group Collection
© The Board of Trustees of the Science Museum
One of two boxed sets of Genaille's rods, 1885: "reglettes multisectrices" and "reglettes multiplicatrices"
Boxed set of 'reglettes multiplicatrices' by Henri Genailles, 1885.There was a revival of interest in Napier's bones in France in the late 19th century when Henri Genaille simplified their use. Instead of having to add the components in a given area, the user simply follows the pointers to multiply or divide. These sets of cards are known as 'Genaille's rods'.
Details
- Category:
- Mathematics
- Object Number:
- 1989-427/1
- Materials:
- cardboard, paper (fibre product) and wood (unidentified)
- type:
- genaille's rods and genaille's rods and
- credit:
- Mr Peter Delehar
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