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Germanium Diodes - CSIRAC Computer, Assembly on Valve Bases, circa 1955 Object Reg. No: ST 044239

Summary:
Germanium diode assembly-on-valve-bases and container.

The diodes are type OA85. Geoff Chandler originated the idea of mounting the diodes on a valve base.

Such assemblies were used in the redesign of CSIRAC when CSIRAC came to Melbourne circa 1955. They were used as gates in the Arithmetic Logic Unit (ALU).
Description:
List of Parts:
THREE PARTS.
Acquisition Information:
Donation from Commonwealth Scientific & Industrial Research Organisation (CSIRO), 1965
Discipline: Technology

More information

Tagged with: computers, computing, csirac computer, making history - csirac
Themes this item is part of: Information & Communication Collection, CSIRAC Collection
Primary Classification: COMPUTING & CALCULATING
Secondary Classification: Digital Computing
Tertiary Classification: components & circuits
Designer: Mr Geoff Chandler, Parkville, Victoria, Australia, circa 1955
User: University of Melbourne (The), Australia, 1956

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