Go back to article: Visualising electricity demand: use and users of a 3D chart from the 1950s
Figure 20

© The British Library
Cards for ERA-type load model, 1945 (Schiller, 1945, p 8)
Go back to article: Visualising electricity demand: use and users of a 3D chart from the 1950s
© The British Library
Cards for ERA-type load model, 1945 (Schiller, 1945, p 8)