CHM Revolution

Date Introduced

1955 ca.

Photographer

Richards, Mark

Dimensions

overall: 1 3/4 in x 8 1/2 in x 7 1/4 in

Manufacturer

University of Wisconsin. Department of Physics

Copyright Owner

© Mark Richards

Object ID

102681565

In the 1940s and 1950s, “electronics” meant vacuum tubes—big, hot, and power hungry. A single “dual-triode” vacuum tube could be configured as one flip-flop, storing one bit of data.