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Marconi Radio Valve Type MT1, by Marconi Company, London, Early 20th Century

preview image for Marconi Radio Valve Type MT1, by Marconi Company, London, Early 20th Century
Inventory Number: 46376
Object Type:
Place Created: London England United Kingdom Europe
Accession Number: 2004-9/504
Brief Description: Marconi Transmitting-Type Radio Valve (or Tube) Type MT1, with large glass bulb, nickel-plated interior filaments and anodes, and lacking base. With three jewellry-like electrodes protruding from the lower section of the bulb and a single jewellry-like electrode protruding from the upper section of the bulb.
Primary Inscriptions: "MARCONI OSRAM VALVE / MADE AT THE OSRAM LAMP WORKS/ COVERED BY VARIOUS PATENTS / MADE IN ENGLAND / M" printed on exterior surface of bulb. "_.T.1 / 1" printed on exterior surface of bulb.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Glass
nickel
assorted metals.

Narratives

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