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Record Details

4 Volt Fleming Valve, by Royal Ediswan, London, c. 1905

preview image for 4 Volt Fleming Valve, by Royal Ediswan, London, c. 1905
Inventory Number: 93660
Object Type: Object
Place Created: London United Kingdom (England) Europe
Subject Classification(s): Radio communication Radio communication Radio communication Radio communication  
Accession Number: 2004-9/185
Primary Inscriptions: "ROYAL EDISWAN / 'FLEMING OSCILLATION VALVE' / 4. VOLTS" stamped on exterior surface of bulb.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Brass
glass
assorted metals.
Dimensions:
Height Width Depth Diameter Unit
75 45 mm

Narratives

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