Osram A.T.40 triode valve, 1921-1934

Made:
1921-1934 in England
maker:
M-O Valve Company Limited
Wireless valve, Osram A.T.40, 1921, Transmitting Triode , (filament broken) Wireless valve, Osram A.T.40, 1921, Transmitting Triode , (filament broken) Wireless valve, Osram A.T.40, 1921, Transmitting Triode , (filament broken) Wireless valve, Osram A.T.40, 1921, Transmitting Triode , (filament broken) Wireless valve, Osram A.T.40, 1921, Transmitting Triode , (filament broken)

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Wireless valve, Osram A.T.40, 1921, Transmitting Triode , (filament broken)
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Wireless valve, Osram A.T.40, 1921, Transmitting Triode , (filament broken)
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Wireless valve, Osram A.T.40, 1921, Transmitting Triode , (filament broken)
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Wireless valve, Osram A.T.40, 1921, Transmitting Triode , (filament broken)
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Wireless valve, Osram A.T.40, 1921, Transmitting Triode , (filament broken)
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Osram A.T.40, 1921 wireless transmitting triode valve (filament broken), made by the M-O Valve Company Limited, England, 1921-1934

Details

Category:
Electronic Components
Object Number:
1934-477
Materials:
glass and metal (unknown)
type:
thermionic valve
taxonomy:
  • component - object
credit:
Donated by C E Largen