Image: William D. Coolidge
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Description: William D. Coolidge
Title: William D. Coolidge
Credit: Original publication: unknown Immediate source: http://www.radiologia.hu/aktualis/tortenelem/12154.html alt source: http://www.edisontechcenter.org/Fluorescent.html
Author: unknown
Usage Terms: Fair use of copyrighted material in the context of William D. Coolidge
License: Fair use
License Link: //en.wikipedia.org/wiki/File:William_D._Coolidge.jpg
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