A close-up of the Roentgen tube used for X-Ray production and named... News Photo - Getty Images
X-ray tube - Wikipedia
After Roentgen" - Tubes Designed to Produce X-Rays | Museum of Radiation and Radioactivity
Vintage Roentgen X-ray Tube In Full Light, Vacuum Tube That Converts Electrical Input Power Into X-rays, 3D Rendering Stock Photo, Picture and Royalty Free Image. Image 76826949.
Vintage roentgen X-RAY tube BSV-2 Fe material Structure Analysis Diffractomer | eBay
Roentgen X-Ray Tube | National Museum of American History
After Roentgen" - Tubes Designed to Produce X-Rays | Museum of Radiation and Radioactivity