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Record Details

Experimental Fleming Valve, by J.A. Fleming, English, c. 1889

preview image for Experimental Fleming Valve, by J.A. Fleming, English, c. 1889
Inventory Number: 85593
Object Type:
Persons: Sir John Ambrose Fleming
Date Created: c. 1889
Place Created: London England United Kingdom Europe
Accession Number: 2004-9/472
Brief Description: Experimental Fleming Valve with single vertically-mounted nickel-plated flat anode in single-loop filament, on polished black ebonite base, with ring-turned wood plinth, and three wires forming legs. Glass bulb slightly loose in ebonite base.
Primary Inscriptions: None
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Glass
nickel
steel
ebonite
wood.

Narratives

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