Vintage Heathkit model GD-1B Grid Dip Meter, Untested, No Coils

Heathkit GD-1B Heathkit Grid Dip Meter Model GD-1B Untested

Heathkit Grid Dip Meter Model GD-1B, High Frequency Oscillator UNTESTED

Heathkit Grid Dip Meter Model GD-1B

Heathkit Grid Dip Meter Model GD-1B Vintage

Heathkit GD-1B Heathkit Grid Dip Meter Model GD-1B ~ Untested

Vintage Heathkit Assembly Manual GD-1B Grid Dip Meter Original 1956

Heathkit GD-1B Ham Radio Grid Dip Meter W/ Coils (nice)