Keywords: Egun.jpg This is a close up photo of a en thermionic en electron gun assembly found on a colour Samsung CRT monitor The gun produces three high speed individual electron beams for the three primary colours Red Green and Blue en wikipedia 2005-09-03 Roychai wikipedia en Related version mirrored to the right Image Egunr jpg original upload log page en wikipedia Egun jpg 2005-09-03 11 35 Roychai 600×174×8 13646 bytes <nowiki>Electron gun extracted from a Samsung CRT </nowiki> 2005-09-03 11 09 Roychai 351×600×8 23542 bytes <nowiki>Electron gun assembly on a Samsung CRT </nowiki> Cathode ray tubes Vacuum tubes Electron guns |