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The History of Microwaves

The History of Microwaves. By: Ayana Weathers Period 10. The Inventor . . . . Birth: July 9, 1894; Howland, Maine In 1912 he joined the U.S. Navy to learn wireless telegraphy During the 1920’s he joined Raytheon Company In 1946 he invented the first microwave oven

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The History of Microwaves

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  1. The History of Microwaves By: Ayana Weathers Period 10

  2. The Inventor . . .

  3. Birth: July 9, 1894; Howland, Maine • In 1912 he joined the U.S. Navy to learn wireless telegraphy • During the 1920’s he joined Raytheon Company • In 1946 he invented the first microwave oven • Death: September 8, 1970 Dr. Percy Spencer

  4. The First Microwave

  5. Invented in 1946 • Dr. Percy was testing a magnetron tube and was amazed at how the candy bar melted in his pocket. It brought him to the conclusion that microwave energy was causing food to cook quickly. • Weighed 750 pounds and 6 feet high • Cost= $5,000 • Patented by Raytheon Company in 1946 The Facts

  6. 1960’s- Litton created a new model that was short and wide in shape with a unique magnetron feed. • 1967- Amana Cooperation developed the first home model, The price was $475. • 1970’s- The sales of microwaves grew at a fast rate. • 1980’s- Development of sample methods based on commercials increased. Important Dates

  7. Modern Day

  8. The style of microwave ovens have changed in terms of: • Size • Shape • Color • Style • Cost The Changes

  9. Old New Pictures

  10. Microwaves will continue to change as far as style, shape and function leading to possibilities such as the photograph to the left. The Future

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