Position indicator synchro
Position indicator inductor
Position transmitter Desynn
Position transmitter inductor
Magnetic amplifier, 1 line
Magnetic amplifier, 2 lines
Magnetic amplifier, 2 inputs
Negative impedance both-way amplifier
Amplifier external DC control
2-way repeater, bypass, 2 lines
2-way repeater, bypass, 1 line
2-way repeater, 4-wire, 4 lines
2-way repeater, 4-wire, 1 line
Heat source, radioisotope