Quantity   Component name
2 × 6E2 Vacuum Tube
2 × BC547 Transistor
1 × DC DC Boost module 12 to 220V
2 × 1N4007 Discrete Semiconductors / Diodes and Rectifiers
2 × Potentiometer, 100 kohm
2 × Trimmer Potentiometer, 200 kohm
2 × Capacitor 10 µF
2 × Capacitor 100 nF