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

0.01-10 MOhm 0.05% P4002 Decade Resistance

Resistance Decade Box - MP701033

Resistance decade box 0-1Mom MSsH-70-1 USSR soviet 1962 vintage

10⁷ Ω 1 2 3 4 5 6 10 20 100 MOhm 2pc. Decade Resistance Standard Box 0.02%

Vintage decade resistance box 0-9999 ohm USSR

J. J. Lloyd Instruments Limited precision variable capacitor model PVC 2. 500V

0 100 200 500 1000 MOhm 1 TOhm Resistance Standard Box 0.02% 1000V