Experimental Round Radio Valve Type CA, by Ediswan, London, c. 1915 | |||||||||||
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| Inventory Number: | 24865 | ||||||||||
| 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: | 2004-9/298 | ||||||||||
| Primary Inscriptions: | "MARCONIS W. T. CO. LTD / PAT. APPN. NO. 28418-13 / 2V-PF / CA248" on surface of glass | ||||||||||
| Provenance: | Presented by the Marconi Corporation. | ||||||||||
| Collection Group: | Marconi Collection | ||||||||||
| Material(s): |
Glass oxide brass? platinum. Asbestos? | ||||||||||
| Dimensions: |
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Narratives | |||||||||||
Permalink: http://www.mhs.ox.ac.uk/object/inv/24865