Resistance Box

Ohm +- 1% 0.5W, Comprises a circular dial mounted underneath a cover plate inside a transparent plastic case. A big size knob for better griping is mounted on the dial to select any desired value of resistance from 100 to 100K with an accuracy of 1 % as indicated alongside index mark on the knob. Two 4mm sockets interlly connected to the resistances mounted on the plate to connect the resistance across any circuit