This video from the 1940s details how factories owned by Frigidaire, then a subsidiary of General Motors, were converted from producing "electric refrigerators" to manufacturing propellor blades for WWII planes.
We often hear the quote stating that "WWII was won with British intelligence, American steel, and Russian blood." Russia's greatest contribution was the 26 million lives it laid down. The British were legendary for their foreign intelligence, most notably for Alan Turing's deciphering of the Enigma machine. But the Americans out-manufactured everyone.
Related wartime manufacturing videos:
1942 Short Film: The Machinist and Toolmaker
Airplane fuel tanks converted into Vietnamese boats
WWII German military helmets remanufactured into colanders
Arctic DEW line convoy of giant Mack trucks
1963 video of USS Enterprise
Autobiography of a Jeep
Steam-powered tanks
Wartime railway and train sabotage techniques
International Harvester towed mine planter
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