PILLBOX (TYPE FW3/25)
- Armco Pillbox
- A circular pillbox designed by the Engineering and Metals Company using 'Armco' corrugated iron sheets as the inner and outer skins into which concrete was poured, giving a 12in wall thickness. The design was taken up by DFW and assigned a drawing number.
- English Heritage
- http://creativecommons.org/licenses/by/3.0 (FISH Thesaurus of Monument Types)
- http://www.english-heritage.org.uk (FISH Thesaurus of Monument Types)
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