CHM Revolution

Date

1956 ca.

Credit Line

Courtesy of Horst Zuse

Copyright Owner

© Zuse KG Bad Hersfeld

Keywords

Germany; Zuse, Konrad; vacuum tubes

Object ID

500004373

Despite early unreliability, Zuse’s vacuum tube Z22 became a workhorse for academic and industrial research. Zuse sold 56 in the face of fierce competition from IBM.