Napier's bones or rods, in a form of rearrangeable
Napier's bones or rods. These were made of bone or ivory, and were a form of rearrangeable multiplication table invented by John Napier (1550-1617). From Denis Diderot Encyclopedie, Paris, 1751-80
Picture No
13915116
Media ID
48378831
Size
6341px x 3307px
(4.6MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive
Pick your License
Arithmetic Bones Calculations Diderot Encyclopedie Invented Multiplication Multiply Napier Rods Sums
Features In These Collections
> Contributors > WHA





























