Vintage Heathkit Decade Resistance Model IN-17

He's Kit Decade Capacitor Model IN-3127 Works Great

Resistor Resistance Precision Variable Decade Resistor Resistance Box 9999.9Ω

Heathkit Resistance Decade Box - Vintage Model RD-1

Heathkit Model RD-1 Resistance Decade Subsitution Box Circuit Prototyping USA

EICO 1120 Decade Capacitor Substitution Box .0001-.22 uf

0-9999.9 Ohm Variable Resistance Box Decade Resistor For Physical Resistance❥

Vintage HEATHKIT Decade Resistance Model IN-11 Untested T