McVitie Weston valve collection, Morris, Warren and Murphy Hot-cathode Braun tube (experimental) valve

Made:
1910

Morris, Warren and Murphy Hot-cathode Braun tube (experimental) valve, blown glass envelope with large side tube for cathode holder (missing), (RMW/K21 - McVitie Weston number), by Unknown maker, 1910.

Details

Category:
Electronic Components
Object Number:
1972-141/1404
type:
valve
credit:
STC plc