Bliter Underground 🇫🇷 ☠♫ ☯ ☮ ♽ March 20, 2023 12:45pm " UNDERSTANDING #ELECTRONICS: #VACUUM #TUBES " 1970 #EDUCATIONAL #FILM #DIODES & #TRIODES XD72594 - #PeriscopeFilm https://www.youtube.com/watch?v=3lDEQNQdvB4
