Four Phase Systems, Inc. introduces the first all-monolithic technology, memory and logic; Four-Phase phases in a new midi-computer
Four-Phase Systems, Inc.
3 documents. One is a Four-Phase newspaper advertisement for the System IV/70. The other two are copies from "Datamation" February 1970 announcing a new Four-Phase midicomputer using MOS/LSI exclusively throughout the system.
Frank Gerald (Jerry) Snyder collection of computer brochures