Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:castle
|
| gptkbp:builtBy |
gptkb:Royal_Navy
|
| gptkbp:builtYear |
gptkb:World_War_II
|
| gptkbp:country |
gptkb:United_Kingdom
|
| https://www.w3.org/2000/01/rdf-schema#label |
Knock John Fort
|
| gptkbp:locatedIn |
gptkb:Thames_Estuary
|
| gptkbp:location |
gptkb:Knock_John_sandbank
|
| gptkbp:material |
gptkb:steel
concrete |
| gptkbp:partOf |
Thames Estuary defenses
|
| gptkbp:purpose |
anti-aircraft defense
|
| gptkbp:status |
abandoned
|
| gptkbp:type |
Maunsell Sea Fort
|
| gptkbp:usedUntil |
1956
|
| gptkbp:yearCompleted |
1942
|
| gptkbp:bfsParent |
gptkb:Thames_Estuary
|
| gptkbp:bfsLayer |
5
|