McVitie Weston valve collection, STC valve, type 4043C
- Made:
- 1937
STC valve, type 4043C, pinch marked JG 160, (RMW/Y263B - McVitie Weston number), by Standard Telephones and Cables Limited, 1937.
STC valve, type 4043C, pinch marked JG 160, (RMW/Y263B - McVitie Weston number), by Standard Telephones and Cables Limited, 1937.