CHM Revolution

Date Introduced

1950 ca.

Photographer

Richards, Mark

Dimensions

13 x 35 x 8.5 in.

Manufacturer

University of Manchester

Credit Line

Gift of Manchester University Computer Science Department

Copyright Owner

© Mark Richards

Object ID

X67.82

This was one of two storage tubes forming the memory of the Ferranti Mark I computer, successor to the “Baby.” Each tube stored 2,560 bits of information. Such tubes were the first form of electronic random access memory for computers.