Summary

Photograph of a diagram entitled "Block layout of circuits of the ballistic computer". Diagram shows the layout of the Bell Ballistic Calculator, which was produced by Bell Laboratories USA, in the 1940s for calculations of ballistic trajectories.

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 structure of the Bell Ballistic Computer/Calculator.

Physical Description

Black and white photograph of a computing block diagram.

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