Historic Building Details

HB Ref No:
HB02/09/014

Address :
North Base Tower Ballymulholland Magilligan Limavady Co Londonderry

Townland:
Ballymulholland

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Survey 2:
B2

Date of Listing:
28/03/1975 00:00:00

Date of De-listing:

Current Use:
Tower

Former Use
Tower

Conservation Area:
No

Industrial Archaeology:
Yes

Vernacular:
No

Thatched:
No

Monument:
No

Derelict:
No

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OS Map No:
11/9

IG Ref:
C6704 3434

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Owner Category

Local Govt

Exterior Description And Setting

Circular basalt wall with sandstone coping of average height 900mm surmounted by a metre high cast iron railing painted white. The diameter is 6.0 metres approximately.

Architects

Not Known

Historical Information

Constructed circa 1825 as part of the first ordnance surveyof Ireland by Lt. Colby. It was used to set up a triangulation with similar towers in the region (HB02/09/008 and HB02/10/012) Industrial Archaeology Record Ref: 1897 References: Archaeology Record Ref: 1897

Criteria for Listing

Architectural Interest

F. Structural System

Historic Interest

V. Authorship W. Northern Ireland/International Interest

Evaluation

Exactly as HB02/09/008 A low circular wall enclosing the point of triangulation. Signicant because of its role in the first ordnance survey measurements.

General Comments

Date of Survey

25 September 1997