Vintage Shallcross 833 Resistance Box Precision Decade Resistor

Shallcross 617-02 Percent Limit Bridge - Power Transformer Testing Device

Shallcross Instrument 25498 Resistance Decade Box Panel Mount Lot (2) [Untested]

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Electroswitch C4D0412N-A Fully Enclosed Rotary Switch - 4 Pole - 2 to 12 Posi...

SHALLCROSS 817-B RESISTANCE DECADE BOX

"Brand New" Grayhill 81073 71BS30-01-2-04N Switch Rotary 401-53897-00

Shallcross 617-N 21852 Percent Limit Bridge