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- fastening the hooks, keeping out the warm outside air and at the same
time retaining the cool air inside the refrigerator. Hook the covering around the top also. Place the refrigerator in a shady place where the air will circulate around it freely. Keep the wicks in a supply of fresh water in the top pan. The water is taken down the sides by capillary attraction, and when evaporation takes place the heat is taken from the inside thereby lowering the temperature.
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