Rare Heathkit 1950s Engineering Sample Part Antenna Impedance Meter Readout AM-1

Heathkit GD-1B Grid Dip Meter w/ 4 Coils untested VINTAGE TEST EQUIPMENT

Vintage Original Instruction Manual Heathkit Antenna Impedance Meter AM-1 1956

Heathkit Grid Dip Meter Model GD-1B Vintage Untested

Heathkit Variable Frequency Oscillator ~ Model VF-1U ~ Untested

Vintage Heathkit AM-2 Pwr and SWR meter for Ham / CB radio, from estate,untested

Heathkit Antenna Impedance Meter

Vintage Heathkit Standing Wave Ratio Antenna S.W.R. Meter (Untested)