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; Fig 7: A Japanese abacus
Picture No
13915108
Media ID
48360844
Size
3351px x 6259px
(4.9MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive





























