The south keyway to No. 7 Dry Dock caisson, Portsmouth Dockyard, Hampshire

A close detail of the south keyway to the No. 7 Dry Dock caisson in Portsmouth Dockyard. The caisson opens into No. 2 Basin. Vertical format?

Object details

ID: N24948
Type: Negative
Materials: Glass plate negative
Display location: Not on display
Date made: February 1941 - March 1941
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 127 mm x 101 mm