Wade Bequest collection of valves: Cosmos 'short path' radio valve
- PART OF:
- Wade Bequest collection of valves
- Made:
- England
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Wade Bequest collection of valves: Cosmos 'short path' radio valve, made by Metro-Vick. Marked 1.6V and 0.3 amps. Early dull emitter valve (DEV). Tubular bulb with B4/M base and top seal.
