12 Volt Fleming Valve, by Ediswan, London, c. 1905 | |||||||||||
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| Inventory Number: | 89342 | ||||||||||
| Object Type: | | ||||||||||
| Place Created: | London England United Kingdom Europe |
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| Accession Number: | 2004-9/580 | ||||||||||
| Brief Description: | 12 Volt Fleming Valve, in polished mahogany? 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 4 Volt Fleming Valve (Inv. Num. 67148). | ||||||||||
| Primary Inscriptions: | "FLEMING OSCILLATION VALVE / 12 VOLTS / EDISWAN" printed on exterior surface of bulb. "12 VOLT FLEMING OSCILLATION / VALVE / ex POLDHU HOTEL" typed on label stuck upon exterior surface of bulb. | ||||||||||
| Provenance: | Presented by the Marconi Corporation. | ||||||||||
| Collection Group: | Marconi Collection | ||||||||||
| Material(s): |
glass ebonite metal alloy nickel assorted metals. | ||||||||||
| Dimensions: |
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