DescriptionBritish WWII Pillbox FW3-23 section with rungs.svg
English: British WWII pillbox type FW3/23. This diagram is a horizontal section at the level of the embrasures. Note rectangular plan featuring a roofed fighting compartment with internal anti-ricochet wall and an open anti-aircraft compartment (grey). This version is accessed by rungs set in one corner of the open compartment.
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: vectorised, removed door and added access rungs. The original can be viewed here: British WWII Pillbox FW3-23 section.JPG: . Modifications made by Brammers.
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{{Information |Description={{en|1=British WWII pillbox type FW3/23. This diagram is a horizontal section at the level of the embrasures. Note rectangular plan featuring a roofed fighting compartment with internal anti-ricochet wall and an open anti-aircra