6 Decade switchable resistance box.

Vintage decade resistance box 0-9999 ohm USSR

Resistance Decade Box - MP701033

Lionmount Decade Vintage Resistance Box Type RD2 Wood Case **UNTESTED**

Lionmount Decade Resistance Box Type RD1 Vintage Wood Aluminium Case

Lionmount Decade Vintage Resistance Box Type RD2 Wood Case **UNTESTED** (1)

Decade variable Resistance Box 0.1 to 99999.9 ohm soviet ussr R33(Р33) vintage

VOLTCRAFT R-BOX 02 Measurement decade Resistance %