Williams-Kilburn Tube - Manchester Mark I

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  • Description
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 the memory in the Manchester Mark I, the successor to the “Baby.” It stored only 128 40-bit words. Each bit was an electric charge that created a spot of light on the face of a “TV tube.”