Ferranti Ltd model F2Q-100 electric meter
1975
Ferranti Type F2K100 Electric Meter
1970-1985
Ferranti Electric Meter
1965
Ferranti model FM electric meter
1960
Mercury motor electric consumption meter
1883
Ferranti Type B AC electric meter
1903
Aron Electricity Meter Company electric meter
Ferranti Electric Meter
1910-1920
Record bridge Ohm meter
1940-1950
Ferranti type FH electric meter
circa 1940
Ferranti electric meter
Ferranti model FN12 electric meter
Electric meter
Ferranti electric meter
circa 1940
Ferranti model FNAB34Q electric meter
circa 1965
Ernest Turner electric meter
Shinohara model SR65 electric meter
Summator meter
1950
Ferranti model F2Q-100 electric meter
circa 1975
Metropolitan-Vickers Electrica
GEC electric meter
Ferranti-Packard Electric Meter
1960-1979
Ferranti electric meter
Electric meter
Ferranti electric meter
1948
Ferranti Electric Meter
1958-1980
GEC model CI43S1E electric meter
Ferranti electric meter
Ferranti model CT electric meter
circa 1915
Ferranti Electric Meter
1900-1920
Ferranti Summator
1940-1960
Ferranti electric meter
1940 -1946
Ferranti model A440F electric meter
1961
Ferranti model FKt meter
circa 1960
Electric meter
Ferranti electric meter
Ferranti electric meter
Ferranti model ER electric meter
Ferranti electric meter
Ferranti electric meter
Ferranti Electric Meter
1910-1950
Ferranti Wright AC Electric Meter
1890
Ferranti Electric Meter
1910-1920
Ferranti electric meter
Ferranti model FLXSP electric meter
Cambridge Unipivot galvanomete
1950s
Ferranti DC Electric Meter
1928-1933
Ferranti electric meter
Ferranti electric meter
Weston Electrical Electric meter
1940