Tyne and Wear HER(2714): Monkwearmouth, North Dock, Submarine Telegraph Works - Details
Monkwearmouth, North Dock, Submarine Telegraph Works
Historic Ordnance Survey map evidence shows a Submarine Telegraph Works, adjacent to the North Dock (HER ref. 2717).
<< HER 2714 >> 1st edition Ordnance Survey Map, c.1855, 6 inch scale, Durham, 8