m3t00🌎 voted@lemmy.world to Technology@lemmy.worldEnglish · edit-211 months agotube testerlemmy.worldimagemessage-square38fedilinkarrow-up1397arrow-down14file-text
arrow-up1393arrow-down1imagetube testerlemmy.worldm3t00🌎 voted@lemmy.world to Technology@lemmy.worldEnglish · edit-211 months agomessage-square38fedilinkfile-text
minus-squarem3t00🌎 voted@lemmy.worldOPlinkfedilinkEnglisharrow-up4·11 months 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