Ferranti Wright AC Electric Meter
1890
Ferranti electric meter
Siemen Bros ammeter
Ferranti electric meter
Record bridge Ohm meter
1940-1950
Ferranti model ER electric meter
Ferranti electric meter
Ferranti model FLF5 electric meter
Ferranti model FKt meter
circa 1960
Ferranti electric meter
Ferranti electric meter
Ferranti model MCBZ28 electric meter
Ferranti electric meter
Ferranti electric meter
Ferranti electric meter
Ferranti,electric meter,D28245
Ferranti electric meter
J G Coates electric meter
electric meter
Ferranti electric meter
Ferranti electric meter
Ferranti electric meter
Ferranti model FM electric meter
Ferranti model NS electric meter
Ferranti electric meter
Shinohara model SR65 electric meter
Ferranti model FRF6A electric meter
Ferranti model R21 electric meter
Ferranti electric meter
Ferranti model V3379 electric model
Ferranti electric meter
Ferranti model BS125-100 electric meter
Ferranti electric meter
Ferranti electric meter
Ferranti model 196 electric meter
circa 1945
Ferranti Ltd electric meter A13F
Ferranti electric meter
GEC electric meter
Ferranti electric meter
Ferranti electric meter
Ferranti electric meter
Ferranti v electric meter
Ferranti electric meter
Ferranti Ltd model F2Q-100 electric meter
1975
Ferranti electric meter
Ferranti model electric meter
Ferranti electric meter
Ferranti electric meter
Ferranti electric meter
