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Description:11 19 27 00 Report for economy of energy during winter. The 40s. Cold. Rationing of the heater. Seen on house with family which isolates window, doubles glazing to prevent the cold from passing. Insulation allowing energy savings. National effort. Close-up man who puts glass wool, other nail of the insulation on joint of doors. Men install sort of stove in heater. Modification, adaptation. He then puts coal with shovel. New system allowing to keep more heat. Drawing explaining the functioning of the system. Sketch of the heater and of the coal. Woman reads book in lounge, she adjusts a button, type of thermostat to regulate heat. National war effort.
