Siemens Thermionic Valve

Made:
1917 in Germany
Siemens Thermionic Valve Siemens Thermionic Valve. Siemens Thermionic Valve.

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

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Siemens Thermionic Valve
Science Museum Group
© The Board of Trustees of the Science Musuem

Siemens Thermionic Valve.
Science Museum Group
© The Board of Trustees of the Science Museum

Siemens Thermionic Valve.
Science Museum Group
© The Board of Trustees of the Science Museum

Siemens thermionic valve.

Details

Category:
Electronic Components
Object Number:
Y7000.2719
Materials:
glass and metal (unknown)
Measurements:
overall: 48 mm x 102 mm x 52 mm,
type:
thermionic valve
credit:
Gift of Mr J Snowden