Wade Bequest collection of valves: Marconi (Canada) radio valve type 12Y4

maker:
Marconi Company Limited
SMG00237765

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SMG00237765
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Wade Bequest collection of valves: Marconi (Canada) radio valve type 12Y4. Half-wave rectifier. With B5 base and ST bulb.

Details

Category:
Electronic Components
Object Number:
1972-343/164
credit:
Wade, J.C.F.