America Had No Zinc in 1941 — So They Extracted 'Brass Secrets' From 1943 Pennies To Build Bullets" скачать в хорошем качестве

America Had No Zinc in 1941 — So They Extracted 'Brass Secrets' From 1943 Pennies To Build Bullets"

December 1941: America enters WWII with a critical problem—no zinc reserves and copper vanishing fast. Every bullet needs brass (copper + zinc), but pennies are draining 15,000 tons of copper annually. The solution? The government secretly transformed 1943 pennies into ammunition through a classified operation that extracted "brass secrets" from coins in your pocket. Discover how metallurgists turned pocket change into battlefield firepower, why 1943 steel pennies were really made, and the hidden Operation Penny Harvest that processed 15 billion pennies into cartridge cases. This is the untold story of America's most desperate material crisis and the ingenious solution hiding in plain sight. 🪙⚔️ #WW2History #WorldWarTwo #MilitaryHistory #1943Penny #WarProduction #AmericanHistory #WWII #SteelPenny #HistoricalDocumentary #WarEffort #HomeFront #MilitaryInnovation #VintageCoins #Numismatics #WWIIFacts #HistoryChannel #WarStories #AmericanIndustry #PearlHarbor #OperationPennyHarvest