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Giant Radio Valve, by GEC, English, 1910s

preview image for Giant Radio Valve, by GEC, English, 1910s
Inventory Number: 70075
Object Type:
Place Created: England United Kingdom Europe
Accession Number: 2004-9/466
Brief Description: Giant Glass Radio Valve, with dense polymer-type material base, and two brass base pins. Base has numerous circular holes and protruding lower section with base pins. Large glass bulb reveals interior with plastic? connections, nickel-plated frame and eight spring-type connections. Very unusual type of valve, designed for large values of electricity and power.
Primary Inscriptions: "GP 50 / MADE IN / 10 / G.E.C. / 240V 10000W / ENGLAND / FOR 3200K FILM" printed on upper surface of exterior surface of bulb.
Provenance: Presented by the Marconi Corporation in 2004.
Collection Group: Marconi Collection
Material(s): Glass
polymer
brass
plastic?
nickel.
Asbestos?
Dimensions:
Height Width Depth Diameter Unit
350 190 mm

Narratives

Image with multimedia irn 39693Image with multimedia irn 39694

Permalink: http://www.mhs.ox.ac.uk/object/inv/70075