BW120/13/4/3
"No 786 Sharpness Docks Lower Ship Lock Gates"
"Top Gudgeon, Heel Socket. Castings & Structure" and "Pumping and Venting Arrangement". Stamped "Naval Construction Works Barrow-in-Furness Vickers-Armstrong Ltd Shipyard Dept [date]". Various endorsements.
1940
BW120/13/4/3
2 sheets