SImple Valve (Tube) Tester
31K Views, 18 Favorites
Test Tube Stirling Engine
7.8K Views, 7 Favorites
Simple Light Seeking Robot
11K Views, 25 Favorites
Mullard Pupil's Oscilloscope
14K Views, 25 Favorites
ECL80 PUSH PULL VALVE AMPLFIER
10K Views, 14 Favorites
Standalone WAV Music Player
17K Views, 18 Favorites