McVitie Weston valve collection, Marconi WT Co Round valve, type V24
- Made:
- 1916
Marconi WT Co. valve, type V24, marked 6949, (RMW/B101B - McVitie Weston number), by Marconi Wireless Telegraph Company Limited, 1916.
Marconi WT Co. valve, type V24, marked 6949, (RMW/B101B - McVitie Weston number), by Marconi Wireless Telegraph Company Limited, 1916.