4 Volt Fleming Valve, by Royal Ediswan, London, c. 1905 | |||||||||||
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Inventory Number: | 93660 | ||||||||||
Object Type: | Object | ||||||||||
Place Created: | London United Kingdom (England) Europe |
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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: |
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Permalink: http://www.mhs.ox.ac.uk/object/inv/93660