4 Volt Fleming Valve, by Royal Ediswan, London, c. 1905 | |||||||||||
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| Inventory Number: | 67148 | ||||||||||
| Object Type: | | ||||||||||
| Place Created: | London England United Kingdom Europe |
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| Accession Number: | 2004-9/579 | ||||||||||
| Brief Description: | 4 Volt Fleming Valve, in polished teak? gallows mounting. With ebonite panel and metal alloy terminal upon upper surface of gallows. With two metal alloy terminals upon upper surface of base. Bulb has vertically-mounted nickel anode and other metal components. Previously catalogued with other, similar 12 Volt Fleming Valve (Inv. Num. 89342) | ||||||||||
| 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 | |||||||||||
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