Hartley Oscillator Powering VTTC
21:14
GU-81M Vacuum Tube Tesla Coil / Hartley VTTC. Update and Schematic
19:04
TESLA EFFICIENCY = 0.00 WATT LIGHT
58:52
1964 Sony 9-304U TV Repair and Thermal Master Camera Review
28:35
New Don Smith Demo
23:32
Best Christmas Present Ever! Vacuum Tube Goodness!
19:55
You Can't Build the SimpleX Super - Part 1
20:02
Stealing Energy From Radio towers Using Plasma (ft. Geerling Engineering)
14:44