Summary
Photograph of a diagram entitled "Fig 6. Switches and storage counters". Diagram shows the electrical layout of the Harvard Mark I Calculator, an electromechanical device originally known as the IBM Automatic Sequence Controlled Calculator (ASCC). Built by IBM, the ASCC was moved to Harvard University in 1944 and became known as the Harvard Mark 1.
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
Block diagram showing the electrical structure of the Harvard Mark I computer, also known as the IBM Automatic Sequence Controlled Calculator (ASCC).
Physical Description
Black and white photographic print of a computer programming 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 reverse at lower right: "MM 68400". Printed below diagram: "Figure 6. Switches and storage counters". Handwritten in black ink on reverse: "Electrical Structure of the Harvard Mark I".
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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
210 mm (Length), 160 mm (Width)
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Keywords
Computer Engineering, Computer Programming, Computer Software, Computers, Computing