Hollerith sorting machine and tabulating machine, 1924.
4 0 c m
 
32cm
actual image size: 24cm x 32cm

Hollerith sorting machine and tabulating machine, 1924.

© Science Museum / Science & Society Picture Library

Description

Hollerith sorting machine (above), and Hollerith tabulating machine (below).
 

Image Ref.

10311031
 

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