Vintage EICO Resistance Decade Box (Model 1171, Mostly Working)

Vintage 1960s Heathkit Resistance Substitution Box | Model IN-37

Eico Resistance Decade Box Model 1171 with comparator

🍊Vintage 1960s Heathkit Resistance Substitution Box | Model IN-37

Central Scientific Cenco Decade Resistance Box Resistor Vintage Steampunk

Heathkit Resistance Decade Box - Vintage Model RD-1

Elenco Resistance Substitution Box Model RS-500

Lot of 3 Decade Resistance Boxes