HCI Museum
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1975 Muirhead & Co. Ltd.

Mufax Courier (1975)

The portable drum fax whose sending half couples to a phone line — and whose '1-bit instant feedback' lamp tells you, mid-transmission, that the far end got a bad scan

OutputTelephonyPortablePhysical TokenCommercial
Mufax Courier (1975) archival photograph

Overview

Deep dive

Media

Mufax Courier sending half
Sending half of the Mufax Courier by Muirhead & Co. (1975). Wikimedia Commons, CC BY-SA 2.0.
Mufax Courier receiving half
Receiving half of the Mufax Courier. Wikimedia Commons, CC BY-SA 2.0.
Mufax Courier controls, sending side
Controls on the sending side; the upper lamp gives one-bit instant feedback from the far end. Wikimedia Commons, CC BY-SA 2.0.

Sources

  1. Mufax Courier sending half (photograph, Wikimedia Commons)
  2. Mufax Courier controls, sending side (photograph, Wikimedia Commons)
  3. Fax (Wikipedia) — analog Group 1/2 drum + acoustic-coupler fax history