Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
survey marker
|
| gptkbp:alsoKnownAs |
triangulation pillar
|
| gptkbp:category |
surveying equipment
geodetic marker |
| gptkbp:feature |
brass plate with central depression
flush bracket unique reference number |
| gptkbp:height |
about 4 feet
|
| https://www.w3.org/2000/01/rdf-schema#label |
Ordnance Survey trig point
|
| gptkbp:introducedIn |
1936
|
| gptkbp:locatedIn |
gptkb:United_Kingdom
|
| gptkbp:material |
concrete
|
| gptkbp:notableExample |
gptkb:Trig_point_at_Ben_Nevis_summit
gptkb:Trig_point_at_Snowdon_summit |
| gptkbp:numberBuilt |
about 6,500
|
| gptkbp:purpose |
mapping
geodetic surveying |
| gptkbp:replacedBy |
satellite-based GPS
|
| gptkbp:shape |
gptkb:silk
|
| gptkbp:status |
many still exist
no longer primary survey method |
| gptkbp:usedBy |
Ordnance Survey
|
| gptkbp:bfsParent |
gptkb:Black_Hill
|
| gptkbp:bfsLayer |
6
|