Image
Category
Collection
Maker
Object type
Place
Material
Date

super-precision current transformer

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

1890-1920

Transformer, resistance springs

1890-1900

Lead transformer

Transformer for use with an electric bell

1930-1959

Transformer for use with optical instruments

1925-1955

Mahogany wall board with brass light fitment and switch

1890-1910

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

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

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

"Roentgen IV" transformer

1950-1951

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

Transformer, made by County of London Electrical Supply Co.

1920-1940

Single and double link transformer, Gaulard and Gibbs patent

Single and double link transformer

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

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

Transformer, metal, on metal trolley

1901-1930