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Record Details

Puratone Rubon Radio Valve, by Puratone Rubon, Britain, 1924

preview image for Puratone Rubon Radio Valve, by Puratone Rubon, Britain, 1924
Inventory Number: 31417
Object Type:
Place Created: United Kingdom Europe
Accession Number: 2004-9/337
Brief Description: Puratone Rubon Radio Valve (or Tube) with entirely silvered glass balloon envelope, black plastic? base and four steel base pins. BBC logo ("ENTIRELY BRITISH MANUFACTURE") was used between September 1924 and 1927 and gives a good indication of the date of origin.
Primary Inscriptions: "PURATONE RUBON VALVE BBC [LOGO]" printed on exterior surface of bulb.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Glass
plastic
steel
assorted metals.
Bakelite?
Dimensions:
Height Width Depth Diameter Unit
105 35 mm

Narratives

Image with multimedia irn 35543Image with multimedia irn 35544

Permalink: http://www.mhs.ox.ac.uk/object/inv/31417