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4 results filtered with: Energy conservation
  • A woman lagging a hot-water tank. Colour lithograph.
  • A two-bar electric fire with the upper bar crossed out and only the lower bar switched on, to save power. Colour lithograph.
  • A woman lagging a hot-water tank. Colour lithograph.
  • A two-bar electric fire with the upper bar crossed out and only the lower bar switched on, to save power. Colour lithograph.