Type B7 Thermionic Valve
This image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseType B7 Thermionic Valve
Science Museum Group
© The Board of Trustees of the Science Musuem
Science Museum Group
© The Board of Trustees of the Science Museum
Four pin radio valve type B7, 6 volt filament with original box, made by British Thomson-Houston Co. Ltd, Rugby, c.1912
Details
- Category:
- Electronic Components
- Object Number:
- Y7000.1519
- Measurements:
-
Overall: 90 mm x 90 mm x 125 mm,
- type:
- thermionic valve
