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SPIGOT MORTAR EMPLACEMENT |
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| SN | A pit or emplacement surrounding a concrete pedestal, or 'thimble', which was used to mount a spigot mortar. Deployed by the Home Guard during WWII as an anti invasion measure. |
| CL |
MILITARY DEFENCE AND FORTIFICATION |
| BT | ANTI INVASION DEFENCE SITE |
| NT |
PEDESTAL
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| RT |
DEFENDED LOCALITY
STOP LINE
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