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The History of Radiography

by 1895Photon • 316 views

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...

what a lesson! it is a great discovery and a great presentation! Thank you all who devotedly contributed to the best of human being!
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