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PACE TR-48 analogue computer

  • 1960s
This object is part of a collection relating to the history and development of calculating devices assembled by Assoc Professor Allan Bromley of Sydney University, comprising mathematical instruments, slide-rules, mechanical and electronic calculators, electronic analogue computers, computer components, kit computers, education computers, and associated ephemera.

Allan Bromley was a lecturer and researcher at the University of Sydney Basser Department of Computer Science from 1978 until his …


Object No.


Object Statement

Electronic analogue computer, PACE TR-48, metal / glass / plastic, made by EAI (Electronics Associates Incorporated), West Long Branch, New Jersey, United States of America, 1960s

Physical Description

This is an electronic analogue desktop computer made by EAI (Electronic Associated Inc.), USA. It is self-contained with own power supply, 58 operational amplifiers, potentiometers and integrators. An expansion system is also provided (see below). The Pace computer is very flexible with modes of operation of Reset, Operate and Hold. It can be slaved together with other EAI computers for large problems, using patch cords. This unit was used at the University of NSW. The cabinet is brown-grey gunmetal with three panels on the front face: left panel has an on/off function switch, a range switch, a digital control panel; centre panel is a removable patch panel; right panel has an array of potentiometers for attenuators; two replacement panels, each with a separate programme. Plus two patchboards for the TR-48 analogue computer.



  • 1960s



University of NSW


Credit Line

Donated through the Australian Government's Cultural Gifts Program in memory of Associate Professor Allan Bromley, 2010

Acquisition Date

19 January 2010

Cite this Object


PACE TR-48 analogue computer 2020, Museum of Applied Arts & Sciences, accessed 19 August 2022, <>


{{cite web |url= |title=PACE TR-48 analogue computer |author=Museum of Applied Arts & Sciences |access-date=19 August 2022 |publisher=Museum of Applied Arts & Sciences, Australia}}


This object record is currently incomplete. Other information may exist in a non-digital form. The Museum continues to update and add new research to collection records.