McVitie Weston valve collection, Triotron valve, type A ( ) ( )
- maker:
- Radiowerk E Schrack
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
LicenseTriotron valve, type A ( ) ( ), marked 0310
Science Museum Group
© The Board of Trustees of the Science Museum
Triotron valve, type A ( ) ( ), marked 0310, (RMW/F81 - McVitie Weston number), by Radiowerk E. Schrack.
