CHM Revolution

Date Introduced

1958

Photographer

Richards, Mark

Dimensions

overall: 3/4 in x 1 in x 1 in

Manufacturer

International Business Machines Corporation (IBM)

Credit Line

Gift of the National Museum of Science and Technology, Ottawa

Location

New York, NY, US

Object ID

102716350

Phrases such as “Don’t you feel useless” or “I can’t stand it” were found handwritten in pencil on the back of filler knobs that covered unused button positions on user consoles.