CHM Revolution

Date Introduced

1953 ca.

Photographer

Richards, Mark

Dimensions

overall, incl platform base: 108 in x 160 in x 58 1/2 in

Manufacturer

RAND Corporation

Credit Line

Gift of Los Angeles County Museum of Natural History

Copyright Owner

© Mark Richards

Object ID

102657545

Memory Type

Selectron tubes (initially)

Memory Size

1024 words

Memory Width

40-bit

Cost

$470,000

The art-deco enclosure for this 2½ ton computer held 5,000 vacuum tubes that were all hand-wired and air-cooled. It was used by many RAND researchers, including Artificial Intelligence pioneers Newell, Shaw, and Simon.