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

Eico Resistance Decade Box Model 1171 with comparator

EXTECH Model 380400 Resistance Decade Box ~ 1 to 11.1 Meg Ohms Great

Resistance Substitution Box Precision Decade Resistor Tool

EICO Model 1171A Resistance Decade Box

1932 Leeds & Northrup Decade Box Cat. No 4775

Eico Resistance Decade Box Model 1171 Resistor

*Rare* Vintage Leeds & Northrup Cat. No 4747 Decade Resistance Box