German-Russian Astronomy Satellite Launches - Sky & Telescope - Sky & Telescope
File:Surveying instrument - Röntgen-Gedächtnisstätte Würzburg - Würzburg, Germany - DSC04359.jpg - Wikimedia Commons
Russia Trying to Hijack German Telescope
Health Management and Leadership Portal | Ceiling-mounted X-ray tube holder TELESCOP ITALRAY | HealthManagement.org
Spectrum Rontgen Gamma (Spektr-RG) X-ray telescope launched
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A manual of practical medical electricity : the Röntgen rays and Finsen light . e taken to keep it quite dry (purerock-salt does not deliquesce), for a film of moisture uponit, owing
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Wilhelm Conrad Roentgen | Biography, Discovery, X-Rays, & Facts | Britannica
Wilhelm Conrad Roentgen | Biography, Discovery, X-Rays, & Facts | Britannica
German-Russian Astronomy Satellite Launches - Sky & Telescope - Sky & Telescope
