


J.H. Tucker & Co circuit breaker
circa 1915

Digital Residual Current Circuit Breaker Tester model MD1015 no.8510
1970-1989

Lash-up electrical circuit breaker
circa 1930

Telephone Line Cut-Out Switch
1895-1905
Gas-filled vacuum recloser type GVR serial no. GVRB 13000997
1997
Circuit Breaker with Three Resistors
Circuit breaker
Whitney-Wedmore Experimental Air-Blast Circuit Breaker
Metalclad circuit breaker
1905
British Thomson-Houston circuit breaker
Sectioned circuit breaker head
1950-1974
22 KV Ferguson Pailin water circuit breaker
Crompton oil circuit breaker - 1916
1916
Spring operated circuit breaker
1905
Crompton oil circuit breaker -1908
1908
Free handle circuit breaker
Three phase oil immersed circuit breaker
One old type circuit breaker assembly
Switch panel containing circuit breakers
Fourteen relays and circuit breakers
15 Amp circuit breaker
spring operated circuit breaker
1905
Model of a sub-station circuit breaker
1950-1957
Model of an air blast circuit breaker
1945-1957