McVitie Weston valve collection, Cossor valve, type X.124
- Made:
- 1933
- maker:
- A C Cossor Limited
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Cossor valve, type X.124, marked X124 C VA Co Tung with mano 5in screen 1ft 4in long overall, with manometer triode as side tube, (RMW/K40 - McVitie Weston number), by A C Cossor Limited, 1933.
