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Clip #: MF-31B-3
Library: TFA Network
Region: North America
Country: United States
1950s, Minneapolis, Minnesota, manufacturing, Honeywell Building, recreation of inventor Albert Butz creating regulator to control furnace automatically in 1885, predecessor to modern thermostat, damper flapper, man’s hand pointing to modern thermostat demonstration, female factory workers assembling chronotherm thermostats, woman stacking trays of chronotherms on racks, “build as if you were buying” sign, woman calibrating finished chronotherms, male and female workers assembling automatic gas valves, male worker testing gas valves by flowing gas through them, male and female workers operating machines to manufacture parts, combustion controls for automatic pilots used in bombings, mercury switch, woman lifting up toddler who runs up to her in living room, woman holding toddler looking at chronotherm on living room wall
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