Skip to content
History of Science Museum
Hire the Museum for filming

4 Volt Experimental Fleming Oscillation Valve, by Ediswan, London, 1904

Inventory Number 86405

Acknowledgement: © History of Science Museum, University of Oxford, inv.86405

Item type
Object
Makers
Ediswan
Provenance
Presented by the Marconi Corporation.
Primary inscriptions
"FLEMING OSCILLATION VALVE / 4VOLTS" printed on exterior surface of bulb.
Object type
Radio valve
Dimensions
Diameter: 100mm
Inventory No
86405
Accession Number
2004-9/473

Description

Small 4-Volt Experimental Fleming Oscillation Valve, with ball-shaped glass bulb held by a spring contact on a turned wood base. With two steel(?) terminals and lacquered copper alloy insulated stud terminal mounted on the base.

Related Items

More related items