
1. transformers, various types
2. capacitors
- variable air capacitors
- trimming capacitors
3. capacitors
- tantalum, electrolytic
4. resistors
rotable and linear potentiometers
- trimming potentiometers
5. resistors: high power types
6. crystals: raw (corundum)
mounted as oscillator
7. coils, various types

1. Tubes: special types
2. Tubes: general purpose
3. Diodes: Ge, Si; Thyristors
4. Transistors: Ge, Si, bipolar, MOSFET
5. LEDs; IC's: analogue, digital
6. Integrated systems: amplifiers, ADC's, DAC's, peak detectors
7. Triodes; programmable gain amplifiers; selenium rectifiers

1. Ammeters (various ranges)
2. Voltmeters (various ranges)
3. Linear displacement sensors: LVDT; strain gauges
4. Optical sensors: proximity, PSD, LDR
5. Angular encoders, mechanical, optical; acceleration sensors
6. Pressure sensors; acoustic sensors
7. Temperature sensors: Pt100, thermocouples, mercury-in-glass
8. Humidity sensors; Araometers