McVitie Weston valve collection, Von Ardenne Experimental Multiple valve
- Made:
- Germany
- maker:
- Manfred von Ardenne
Von Ardenne Experimental Multiple valve, marked - Nr.1, with valve holder, (RMW/H16 - McVitie Weston number), by Ardenne, Manfred von.
Von Ardenne Experimental Multiple valve, marked - Nr.1, with valve holder, (RMW/H16 - McVitie Weston number), by Ardenne, Manfred von.