


'Ora' wireless receiving triode, made by the Mullard Radio Valve Company, Mitcham, London, England, 1921
Details
- Category:
- Electronic Components
- Object Number:
- 1922-732
- Materials:
- glass and metal (unknown)
- type:
- thermionic valve
- taxonomy:
-
- component - object
- credit:
- From the Mullard Radio Valve Company