4 Volt Fleming Valve, by Royal Ediswan, London, c. 1905 | |||||||||||
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| Inventory Number: | 67148 | ||||||||||
| 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: | 2004-9/579 | ||||||||||
| Primary Inscriptions: | "Royal Ediswan" printed on exterior surface of bulb. | ||||||||||
| Provenance: | Presented by the Marconi Corporation. | ||||||||||
| Collection Group: | Marconi Collection | ||||||||||
| Material(s): |
Teak(?) Glass Ebonite Metal Alloy Nickel Assorted Metals | ||||||||||
| Dimensions: |
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Narratives | |||||||||||
Permalink: http://www.mhs.ox.ac.uk/object/inv/67148