McVitie Weston valve collection, Marconi Osram valve, type L.S.3
- Made:
- 1924
- maker:
- M-O Valve Company Limited
Marconi Osram valve, type L.S.3, pinch marked 6369, glass broken, (RMW/B112B - McVitie Weston number), by M-O Valve Co. Limited, 1924.
Marconi Osram valve, type L.S.3, pinch marked 6369, glass broken, (RMW/B112B - McVitie Weston number), by M-O Valve Co. Limited, 1924.