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

Figure 12

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

The death of Queen Mary on 25 March 1953 is marked by a spike in demand at 03:00 as the press respond to the news

DOI: http://dx.doi.org/10.15180/180905/018