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The History of Radiography

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Published on Jun 18, 2012

The History of Radiography
Sobre a História da Radiografia com o Prof. Dr. William D. Coolidge.

William David Coolidge (October 23, 1873 -- February 3, 1975)[1] was an American physicist, who made major contributions to X-ray machines. He was the director of the General Electric Research Laboratory and a vice-president of the corporation. He was also famous for the invention of "ductile tungsten", which is important for the incandescent light bulb.

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