Vintage roentgen X-RAY tube BSV-11 Co material Structure Analysis Diffractomer | eBay
Medical Instruments & Apparatus: Early types of roentgen tubes-] Gas tube - Digital Collections - National Library of Medicine
Nov. 8, 1895: Roentgen Stumbles Upon X-Rays | WIRED
Roentgen rays or X-rays - Open Tesla Research
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X-ray tube - Wikipedia
Wilhelm Conrad Roentgen (1845-1923), German experimental physicist and discoverer of X-rays. While using a discharge tube (in which an electric discharge is passed through a gas at low pressure) in a darkened