Go back to article: Visualising electricity demand: use and users of a 3D chart from the 1950s

Figure 17

Colour photograph of an individual chart card from a 1950s three dimensional chart showing electricity demand over time

© Science and Industry Museum/Science & Society Picture Library

Significant fading of the card is noticeable in the time period 12:00–17:00

DOI: http://dx.doi.org/10.15180/180905/023