BW120/13/4/11
"No 786 Sharpness Docks Lower Ship Lock Gates. Plan of Structure."
Upper and lower ship lock gates, various drawings, plans and elevations. All sheets stamped "Naval Construction Works Barrow-in-Furness Vickers-Armstrong Ltd Shipyard Dept [date]". Various notes.
1938-1940
BW120/13/4/11
8 sheets