Open post 13 @13@2137.social · 4d ago 13 @13@2137.social 2137.social Old TV Vacuum Tube Turned DIY X-Ray Machine https://hackaday.com/2026/07/22/old-tv-vacuum-tube-turned-diy-x-ray-machine/ #HighVoltage #Vacuumtube #Xray #Xrayimaging