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Simplex: Revision history

From FireAlarmPedia

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3 April 2021

  • curprev 15:5715:57, 3 April 2021Twentytwo22 talk contribs 494 bytes +494 Created page with "'''Simplex Time Recorder Co.''' was a building systems manufacturer founded in 1894 by Edward G. Watkins. They designed and built many classic panels such as the 4100, 4002, 2..." Tags: mobile web edit mobile edit