Potentiometer and Wheatstone Bridge with 4 x 0.5m wires
- Made:
- 1900-1943 in Birmingham
Potentiometer and Wheatstone Bridge with 4 x 0.5m wires, with sliding bridge and four contactors, by Philip Harris
Potentiometer and Wheatstone Bridge with 4 x 0.5m wires, with sliding bridge and four contactors, by Philip Harris