![EISCO - 4 Decade Resistance Box, Variable from 0-11,110 Ohms, 0.5W Resistors (0.5555W Theoretical Max): Amazon.com: Industrial & Scientific EISCO - 4 Decade Resistance Box, Variable from 0-11,110 Ohms, 0.5W Resistors (0.5555W Theoretical Max): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/81pqnKTsLgL.jpg)
EISCO - 4 Decade Resistance Box, Variable from 0-11,110 Ohms, 0.5W Resistors (0.5555W Theoretical Max): Amazon.com: Industrial & Scientific
![Amazon.com: NEWTRY ZX21A Variable Decade Rotary Resistor Box Precision DC Adjustable Resistance Box Knob Switch for lab 0.1R to 111.1110KR (ZX21A) : Toys & Games Amazon.com: NEWTRY ZX21A Variable Decade Rotary Resistor Box Precision DC Adjustable Resistance Box Knob Switch for lab 0.1R to 111.1110KR (ZX21A) : Toys & Games](https://m.media-amazon.com/images/I/81gFzG0gf-L.jpg)
Amazon.com: NEWTRY ZX21A Variable Decade Rotary Resistor Box Precision DC Adjustable Resistance Box Knob Switch for lab 0.1R to 111.1110KR (ZX21A) : Toys & Games
![RESISTANCE BOX, (Brass) Plug Type; Constantan Coil,1/2" Brass Block, Teak Wood Case (Deluxe Quality), 1 to 500 Ohm RESISTANCE BOX, (Brass) Plug Type; Constantan Coil,1/2" Brass Block, Teak Wood Case (Deluxe Quality), 1 to 500 Ohm](https://www.labkafe.com/storage/school-catalogue-images/lkph-195-9.jpg)