Bentley Acoustic Corp thermionic valve

Bentley Acoustic Corp thermion Bentley Acoustic Corp thermionic valve

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Bentley Acoustic Corp thermion
Science Museum Group
© The Board of Trustees of the Science Musuem

Bentley Acoustic Corp thermionic valve
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Bentley Acoustic Corp thermionic valve, type R19

Details

Category:
Electronic Components
Object Number:
Y1996.10.1287
Measurements:
68 mm 20 mm,
type:
thermionic valve