Summary
Photograph of a diagram entitled "HARVARD MK III DELAY STORE (DRUM)". Diagram shows the magnetic drum for the Harvard Mark III device, also known as ADEC (for Aiken Dahlgren Electronic Calculator). The Harvard Mark III was an early device that used both electronic and electromechanical processes. It was built at Harvard University under the supervision of Howard Aiken for the US Navy and entered service in 1950.
This is one of a set of photographs showing computers, computer components, computer structure diagrams and computer programmimg instructions, probably used as aids in teaching computing subjects. The diagrams and instructions relate to several pioneer models and systems of stored program computers dating back as far as the 1950s and including CSIRAC (originally known as CSIR Mark 1), Cirrus, Atlas, IBM System/360 , CDC 6600 System, and Illiac IV.
Description of Content
Schematic diagram of the magnetic drum for the Harvard Mark III computer, also known as ADEC (for Aiken Dahlgren Electronic Calculator).
Physical Description
Black and white photograph of a computing block-diagram.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from Steve & Connie Kormas, 22 Feb 2001
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Creator
Dr Trevor Pearcey, Melbourne, Greater Melbourne, Victoria, Australia, 1950s-1960s
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Format
Photograph, Black & White
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Language
English
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Inscriptions
Museum Victoria catalogue reference handwritten in black pencil on obverse at lower right: "MM 68421". On reverse handwritten in black ink: "HARVARD MK III / DELAY STORE (DRUM)".
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Classification
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Category
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Discipline
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Type of item
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Image Dimensions - Photograph
216 mm (Length), 165 mm (Width)
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Keywords
Computer Engineering, Computer Programming, Computer Software, Computers, Computing
