Fleming valve

Description

Two electrode Fleming thermionic valve, with brass cap, copper second electrode and wooden base, used in 1905 as a detector of electric oscillations in wireless by the Marconi Wireless Telegraphy Co., by Sir Ambrose Fleming, England, 1905

Museum reference

T.1931.9

Collection

Industry and Commerce : Communications

Object name

Fleming thermionic valve

Production information

Fleming, Ambrose, Sir, 1849 - 1945, Inventor
Sidmouth, Devon, England, Northern Europe

Date

1905

Materials

Glass, Brass, Copper, Wood

Physical description

Brass cap, copper second electrode

Associations

Previous owner: Marconi Wireless Telegraphy Co.

Exhibitions

• Shaping Our World (29 Jul 2011 - 03 Aug 2014)
  National Museum of Scotland