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Radio Valve R5V, by Marconi Osram Valve Co., London, c. 1923

preview image for Radio Valve R5V, by Marconi Osram Valve Co., London, c. 1923
Inventory Number: 27050
Object Type:
Place Created: London England United Kingdom Europe
Accession Number:
Brief Description: Dull emitter, pipped, R5V by Osram for Marconi, with nickel base. Fitted into the V2A Marconiphone receiver.
Primary Inscriptions: Signed: "Osram" and BBC stamp.
Provenance: Not ascertained.
Collection Group:
Material(s): Glass and nickel

Narratives

Image with multimedia irn 22138

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