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

Figure 7

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

Top: ‘Faulty readings at Barton, meter unreliable’; Bottom: ‘Heavy rain’, ‘Readings checked O.K. with Generating Stations’. Annotations giving clues to the geographic area from which meter readings were taken