Thesaurus Term/Concept: DEADLIGHT
Identifier | 143027 |
---|---|
Class | MDA OBJECT TYPE |
Status | Preferred |
Index? | Yes |
Scope Note | A hinged plate of brass, iron or wood inboard of a ship's scuttle or porthole which can be lowered and secured with a butterfly nut to prevent damage to glass in heavy weather or mask internal light from enemy vessels. |