Triangulation Pillar S5692: Trewannion Down - A39, Nr. Davidstow, Cornwall
Posted by: SMacB
N 50° 39.979 W 004° 37.053
30U E 385687 N 5613967
Triangulation Pillar in a field just off the A39 near to a NATS aerial compound.
Waymark Code: WMKN43
Location: South West England, United Kingdom
Date Posted: 05/05/2014
Views: 3
Grid reference : SX 14725 88475
TP6583 Trewannion Down
Type : Pillar
Condition : Good
Flush Bracket Number : S5692
Current use : none
Historic use : 3rd order
Waypoint : TP6583
County : Cornwall
Nearest town : HALLWORTHY
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"This triangulation pillar was used during the Third geodetic levelling, England & Wales. It was included on the Troon to Boscastle levelling line. The surveyor's description was NE face of Trewannion Trig Pillar."
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