m3t00🌎 to TechnologyEnglish • edit-21 year agotube testerimagemessage-square39arrow-up1405arrow-down14file-text
arrow-up1401arrow-down1imagetube testerm3t00🌎 to TechnologyEnglish • edit-21 year agomessage-square39file-text
minus-squarem3t00🌎OPlinkEnglish4•1 year agohaven’t seen one in use for at least 20 years. 60, 70s mainly much smaller now. https://www.amazon.com/s?k=tube+tester
haven’t seen one in use for at least 20 years. 60, 70s mainly
much smaller now. https://www.amazon.com/s?k=tube+tester