Rotary convertor, 1900-1950
1900-1950
Receiving ‘jigger’ used by the Marconi Company, 1899
1899
Iolanda transformer in wooden box, 1900-1950
1900-1950
Ring transformer, 1892
1892
Experimental transmitting ‘jigger’ used by the Marconi Company, 1899
1899
Receiving ‘jigger’ used by the Marconi Company, 1898
1898
Demountable transformer by Griffin and George Ltd.
1954-1983
Transformer, manufactured by B.I.W Co Ltd, Prescott
RI intervalve transformer with carton
"C" core mains transformer
Radiospares line output transformer type L.O.P. 102
Slektun LF transformer, ratio 3-1
Iron cored current transformer
Vortexion mains transformer
BBC Auto Transformer
Small transformer
Transformer with non-continuous core and separate windings
Tapped H.F. transformer (R.T. Ltd.)
Varley nicklet LF transformer (3.5:1), c1927
Ferranti model AF10 transformer
Ferranti output transformer, type OPM6 (C)
Bulgin ultra-small microphone transformer
Transformer for Canon CanoWord 65W for adaptation to European electrical outlets
circa 1991
Current transformer serial no.L76614
1925
High frequency transformer with iron core
Transformer type D-732-A/27
Tapped radio - frequency transformer with adjustable coupling (loose coupler)
Radio-frequency current transformer
Demountable transformer
1948
The original small transformer made of silicon steel
1903
Power socket adaptor for electric shaver
1940-1975
Constant Voltage Transformer
1940-1969
Balanced and screened transformer
1962
Valve heater transformer, reputedly from a Colossus computer, 1940-45
1940-1945
Radiospares miniature mains transformer
Ferranti Transformer
1950
Ferranti AF5 Transformer and Coils
1910-1930
Ferranti Transformer
1920-1950
Ford Model T Car Ignition Coil
1924
Ferranti transformer
1915
Model RD1744 transformer
Transformer
Ferranti transformer
Ferranti Transformer
1930-1950
Ferranti 521339 transformer
Ferranti audio frequency transformer
Ferranti transformer
Ferranti transformer
Ferranti Ltd AF2 audio frequency transformer
1923
Main jigger (oscillation transformer) and fixings, 1900-1950
1900-1950