Monday, June 19, 2006

The History of the Microwave Oven

The History of the Microwave Oven: "in 1947, the first commercial
microwave oven hit the market. These primitive units where gigantic and
enormously expensive, standing 5 1/2 feet tall, weighing over 750 pounds,
and costing about $5000 each. The magnetron tube had to be water-cooled,
so plumbing installations were also required."
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