Posts tagged ‘1940 Census’

The Microwave Oven, An Accidental Invention

The 1940’s had many technological advances, but there is one invention that most households use today that was discovered quite by accident. Percy Spencer invented the microwave oven. He was employed at Raytheon in 1941 and working with magnetron. Come read more about Percy Spencer.

Continue Reading March 12, 2012 at 4:31 pm 2 comments


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