Calcomp IGT-100

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The Calcomp IGT-100 (Interactive Graphics Terminal) is a dynamic refresh graphics terminal introduced in September, 1977 at a price of about $14,700.


  • RS-232C interface
  • full ASCII keyboard


"Calcomp Interactive Graphics CRT Includes Micro, Display Memory", Computerworld, May 16, 1977, pg. 34
Calcomp advertisement, Computerworld, August 22, 1977, pg. 30