Lot 1254 , An early 20th century mahogany cased Wheatstone Bridge by C.J. Simmons, London, intended to measure electrical resistance, the case dimensions; 26cm x 14cm x 16.5cm, together with a leather cased brass Galvanometer, inte

An early 20th century mahogany cased Wheatstone Bridge by C.J. Simmons, London, intended to measure electrical resistance, the case dimensions; 26cm x 14cm x 16.5cm, together with a leather cased brass Galvanometer, intended to measure electrical currents, the brass case; 9cm diameter
£80-120

Condition:
Both in generally good condition, with some discolouration to the case on the galvanometer.