Pillboxes: Circular, concrete blocks

The second type of circular pillbox was constructed from precast 7” x 7” x 12” concrete blocks (giving a 12” thick wall) and had a 6” concrete roof. Embrasures were much narrower and were splayed (18” on the outside and 7” on the inside), and all at the same level. They were provided with steel shutters.  These were almost certainly constructed in the spring of 1918, as a result of the German Spring Offensives.




















 Above: Plan and profile of pillbox at Southwold























             Above: Pillbox constructed from concrete blocks, Southwold. Note the interior of the loophole reinforced with a steel plate.




Right: Pillbox, Friston in the 1930's

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