Three-dimensional chart used by Central Electricity Generating Board planners, c.1954. Consists of about 300 cards with square-cut stepped edges in an enclosure of chrome steel uprights, mounted on a wooden base, with a handle at each end. Data represented from October 1951 to April 1954. An early example of 3D data visualisation, representing electricity generation and demand over time.
- Electricity Supply
- Object Number:
- chart - graphic document
- visual and verbal communication
- Gift of Central Electricity Generating Board
- Permanent collection
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