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POSITION FINDING STATION |
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| UF |
Position Finding Cell |
| SN | A structure consisting of different cells equipped with instrument posts which supported finders. These provided range and bearing of the projected position of the target to guns emplaced in a nearby battery. Errected along the coast in the late 1870s. |
| CL |
DEFENCE |
| BT | COASTAL DEFENCE SITE |
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