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ICL System 4/70, (ICL 4-70)
a 32-bit mainframe computer, member of the English Electric System 4 and since 1968 ICL 4 series, derived from the RCA Spectra 70, an IBM 360 clone. The IBM 360 compatibility made it particularly attractive to customers in the Soviet Union, as the sale of IBM computers was politically sensitive and commercially restricted during the Cold War [1].


Kaissa on an ICL 4/70 operated by Vladimir Arlazarov during the WCCC 1974 [2]

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See also

External Links


  1. ^ International Computers Limited - English Electric LEO Marconi (EELM)
  2. ^ Kaissa World Champion from Памяти Г. М. Адельсон-Вельского | Facebook (cropped), Image from display case TASS, 1974

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