McVitie Weston valve collection, Marconi WT Co valve, type HL2
- Made:
- 1932
Marconi WT Co valve, type HL2, (RMW/Y603A - McVitie Weston number), by Marconi Wireless Telegraph Company Limited, 1932.
Marconi WT Co valve, type HL2, (RMW/Y603A - McVitie Weston number), by Marconi Wireless Telegraph Company Limited, 1932.