Underwater fittings of the submarine Sentinel (1945) in dry dock in Portsmouth Dockyard, Hampshire.

The submarine Sentinel (1945) in dry dock in Portsmouth Dockyard. A close view looking up into the opening in the hull for a retracted asdic or hydrophone device. The protective grill has been removed and the number 20 is impressed into the centre of the device.

Object details

ID: N27101
Type: Negative
Materials: Glass plate negative
Display location: Not on display
Date made: 8 August 1948
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 120 mm x 164 mm