Collection of early valves, various makers including the Marconi-Osram Valve Company, British and French, 1915-1945. Comprising 3 soft "Round" receiving Valves, c.1916; 1 V24 Valve; 1Q Valve; 1 FEI(space charge tetrode); 1 French "Bigril" tetrode; 2 French R Type; 3 British "R"; and 1 D.E.R.
- Electronic Components
- Object Number:
1 "round" valve labelled 'A' from B; F46; PP; B63: 170 mm 60 mm, 60.69 g
- thermionic valve
- component - object
- Donated by C. E. Rickard
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