Hygromia:

5 ship citations (0 free) in 4 resources
Hygromia (London, 1956, Steam; ON: 187397) Subscribe to view
Hygromia (Steel, Screw Steamer, built 1956; ON: 187397; IMO: 5157613) Subscribe to view
Hygromia (Tanker) Subscribe to view
Hygromia (tanker, built 1956, at Port Glasgow; tonnage: 12161) Subscribe to view