Summary
Photograph of a diagram entitled "Fig Fig 44. Basic principle of the automatic sequence controlled calculator". Diagram shows pointer operation on the Harvard Mark 1 Calculator, an electromechanical device built by IBM and originally known as the Automatic Sequence Controlled Calculator. It was installed at Harvard University in 1944,
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 basic structure of the Harvard Mark I automatic sequence controlled calculator.
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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Inscriptions
Museum Victoria catalogue reference handwritten in black pencil on reverse at lower right: "MM 68414". Handwritten in black ink on reverse: "Basic Harvard Mark I Counter Operations / (similar to IBM [illegible] Counter)".
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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
211 mm (Length), 166 mm (Width)
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Keywords
Computer Engineering, Computer Programming, Computer Software, Computers, Computing
