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1902 Medal JK-AC-46 Silver Philadelphia Mint (Special Strike) U.S. Assay Commission Medals - PCGS CoinFacts
![U.S. Department of Energy on Twitter: "#DidYouKnow the air conditioner was invented in 1902? More about the history of the tech that's keeping you cool ➡ https://t.co/ZbyOzvqTeE https://t.co/eKr53t7oef" / X U.S. Department of Energy on Twitter: "#DidYouKnow the air conditioner was invented in 1902? More about the history of the tech that's keeping you cool ➡ https://t.co/ZbyOzvqTeE https://t.co/eKr53t7oef" / X](https://pbs.twimg.com/media/DFwykdKXUAAquLG.jpg)
U.S. Department of Energy on Twitter: "#DidYouKnow the air conditioner was invented in 1902? More about the history of the tech that's keeping you cool ➡ https://t.co/ZbyOzvqTeE https://t.co/eKr53t7oef" / X
The VETS Group - Not thinking about your AC even though it's warm this January? Did you know that Willis Carrier invented the first rendition of the modern air conditioner in 1902
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![STANDARD on Twitter: "It's AIR CONDITIONING APPRECIATION DAY! We celebrate the invention that keeps us all comfortable & we honor Willis Haviland Carrier, who invented AC in 1902. Today, and every day, STANDARD on Twitter: "It's AIR CONDITIONING APPRECIATION DAY! We celebrate the invention that keeps us all comfortable & we honor Willis Haviland Carrier, who invented AC in 1902. Today, and every day,](https://pbs.twimg.com/media/FWwS8yaXoAgZtIE.jpg)
STANDARD on Twitter: "It's AIR CONDITIONING APPRECIATION DAY! We celebrate the invention that keeps us all comfortable & we honor Willis Haviland Carrier, who invented AC in 1902. Today, and every day,
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Celebrating 117 years of air conditioning thanks to Willis Carrier and his 1902 invention | wbir.com
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