Various types of early computing devices
Various types of early computing devices. Fig 3: A late Roman abacus; Fig 4: Korean computing rods; Fig 5: A Japanese ruled Sangi board; Fig 6: A modern Chinese abacus
Picture No
13915107
Media ID
48360840
Size
3524px x 5951px
(5.9MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive





























