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PACE TR-48 analogue computer
Object No. 2010/1/69
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 untimely death in August 2002. He specialised in Computer Architecture, Computer Logic and in particular the History of Computing. He was regarded as the world authority on Charles Babbage's Calculating Engines (instigating the building of the Difference Engine No.2 at the Science Museum London) and the Antikythera Mechanism and had extensive knowledge of calculators, analogue computers, logic, stereopsis, totalisators, clocks and time keeping and mechanical engineering.
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Summary
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.
HISTORY
Notes
University of NSW
SOURCE
Credit Line
Donated through the Australian Government's Cultural Gifts Program in memory of Associate Professor Allan Bromley, 2010
Acquisition Date
20 January 2010
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