Signal generators and tracers test equipment.
This is a very nice Heathkit RF Signal Generator that has been completely restored and calibrated. Included is the original
This is a restored Heathkit IG-82 Sine-Square Wave Signal Generator. The signal generator operates through audio frequency range and beyond.
This is a restored Feiler TS-3A Signal Tracer. They labeled it an Electronic “Stethoscope”. This signal tracer can be used