Test Element, by Electroflo Meters Co Ltd., London, c.1960

Subject: Electronic instruments
Item type: Object
Provenance: Presented by the Marconi Corporation in 2003.
Primary inscriptions: 'TEST ELEMENT / SERIAL NO 30953 / TYPE S 601 PR/NO.56 / DATE 25.2.63 / TESTED J.B. / MANUFACTURED BY / ELECTROFLO METERS CO. LTD. / LONDON, ENGLAND'
Physical material: Metal; Bakelite; Cardboard; Shellac?
Object type: Electronic instrument
Dimensions: Diameter: 65mm Height: 313mm Weight: 0.4kg
Inventory No: 13058
Accession Number: 2003-11

Description

Test element in a cylindrical shape with metal pins in a spiral formation, cardboard body, black metal base and metal screw pin.