"A.C. Circuits", consisting of:
- 1 Change-over switch, single-pole
- 1 Potentiometer 220 ohm, 3 W
- 2 Resistors 10 ohm, 2 W
- 1 Resistor 100 ohm, 2 W
- 1 Resistor 220 ohm, 2 W
- 1 Resistor 1 kohm, 2 W
- 1 Coil 500 turns
- 1 Coil 1000 turns
- 1 Transformer core, demountable
- 1 Capacitor 1 µF, 100 V
- 1 Capacitor 2.2 µF, 63 V
- 4 Si diodes 1N 4007
- 1 Ge diode AA 118
- 1 Tray STE
