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Lead transformer

Lead transformer

Transformer, resistance springs

Transformer, resistance springs

1890-1900
super-precision current transformer

super-precision current transformer

Transformer, by D'Arsonval, French, 1890-1920

Transformer, by D'Arsonval, French, 1890-1920

1890-1920
Transformer, for Microscope automatic attachment 35mm camera

Transformer, for Microscope automatic attachment 35mm camera

1971-1979
Regulating transformer, for Zeiss WL interference research microscope

Regulating transformer, for Zeiss WL interference research microscope

1970-1975
Supply Unit Transformer Rotary for British Army Radio Station C11/R210.

Supply Unit Transformer Rotary for British Army Radio Station C11/R210.

Mahogany wall board with brass light fitment and switch

Mahogany wall board with brass light fitment and switch

1890-1910
Transformer for use with optical instruments

Transformer for use with optical instruments

1925-1955
Transformer for use with an electric bell

Transformer for use with an electric bell

1930-1959
16mm cineradiography set, Dr. R J Reynold's design, comprises grid-enclosed power-supply, tube stand, x-ray tube, rectifier, screening stand, patient stand, camera unit, control unit and accessories by Watson and Sons (Electro-Medical) Ltd, London, 1935

Reynolds' cineradiography apparatus

1935
"Roentgen IV" transformer, by Watson & Sons (Electro-Medical) Limited, Wembley, London, England, 1960-1965

"Roentgen IV" transformer

1950-1951
Portable cautery transformer, with bayonet fitting for attaching to light socket, in leather covered case, made by Thackray, Leeds, English, 1920-1930

Portable cautery transformer

1920-1930
Single and double link transformer, Gaulard and Gibbs patent

Single and double link transformer

Transformer, metal, on metal trolley, by Westinghouse of U.S.A., early 20th century

Transformer, metal, on metal trolley

1901-1930
Transformer for x-ray machine

Transformer for x-ray machine

Metal transformer

Metal transformer

Transformer, made by County of London Electrical Supply Co., London, English, 1920-1940

Transformer, made by County of London Electrical Supply Co.

1920-1940
Set of three Gardner auto transformers (2-3Kw) for converting 110 AC to 250 AC.

Set of three Gardner auto transformers (2-3Kw) for converting 110 AC to 250 AC

1973
LT power supply by Coutant Electronics Limited.

LT power supply by Coutant Electronics Limited

1973
Portion of complete x-ray apparatus presented by Dr. J. M. H. Macleod, 17 Harley Street, 1935.

Reynolds' cineradiography apparatus

1935
One of two high-current power supplies by Kingshill

One of two high-current power supplies by Kingshill

1973
One of two power supply units by Brandenburg, model 907P

One of two power supply units by Brandenburg

1973
High tension supply for cineradiography set in mesh safety enclosure also holding "telestat" x-ray tube stand.

Cineradiography equipment

Transformer for x-ray machine

Transformer for x-ray machine

One of two power supplies by Brandenburg, model 907P

One of two power supplies by Brandenburg

1973
Transformer, plastic and metal

Transformer, plastic and metal

Transformer for Ditmar 9.5/16mm projector.

Transformer for Ditmar 9.5/16mm Projector

circa 1935
High tension transformer by Siemens, West Germany, c.1964

High tension transformer by Siemens

1964
Transformer used with 70mm mass radiography set. 212 kg

Transformer used with 70mm mass radiography set

1946-1955
High tension transformer in wooden casing, by Watson and Sons (Electro-Medical) Ltd., Sunic House, Parker Street, Kingsway, London, WC2, England, 1915-1930.

High tension transformer in wooden casing

1915-1930
Transformer

Transformer

1920-1930
Three spare LT power supply units by Kingshill Electronics.

Three spare LT power supply units by Kingshill Electronics

1973
Portion of complete x-ray apparatus presented by Dr. J. M. H. Macleod, 17 Harley Street, 1935.

Reynolds' cineradiography apparatus

1935
Set of four LT power supply units by Kingshill Electronics mounted in rack.

Set of four LT power supply units by Kingshill Electronics mounted in rack

1973
One of two high-current power supplies by Kingshill

One of two high-current power supplies by Kingshill

1973
Transformer for high frequency cabinet, probably by A. Gaiffe, Paris, 1903-1904

Transformer for high frequency cabinet

1903-1904
Power adapter / transformer, by PowerPax, China, for RoboThespian 3 robot actor, by Engineered Arts Ltd., Truro, Cornwall, England, 2016

Power adapter / transformer, for RoboThespian 3 robot actor

2016