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Air Conditioning and Refrigeration


Which of the appliances in your home would be the hardest to live without? The most frequent answer to that question in a recent survey was the refrigerator. Over the course of the 20th century, this onetime luxury became an indispensable feature of the American home, a mainstay in more than 99.5 percent of the nation's family kitchens by century's end.


     Air Conditioning and Refrigeration
     History - part 1
     History - part 2
     History - part 3
     History - part 4
     Essay - Donald E. Ross

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