Calcomp

Calcomp Technology, Inc., usually known as Calcomp, was a company best known for its Calcomp plotters, which it was founded to produce in 1959. It produced a wide range of plotters (both drum and flat-bed), digitizers, thermal transfer color printers[1], thermal plotters[2] (InfoWorld June 13, 1994 p.40) and other graphic input/output devices. It also produced IBM plug compatible (PCM) disk and tape products. The disk products ranged from 2311 (CD-1) through 3350 equivalents. The tape product was a 3420 equivalent.