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LicenseBeam tetrode, P.T. 54 (Hivac Z220 Harries)
Science Museum Group
© The Board of Trustees of the Science Museum
Beam tetrode, P.T. 54 (Hivac Z220 Harries), made by Hivac Limited, aka the High Vacuum Valve Company, London.
Details
- Category:
- Electronic Components
- Object Number:
- 1964-27
- type:
- radio valve
- credit:
- Owen Harries, J.H.
