Thesaurus Term/Concept: PILLBOX (TYPE FW3/25)
Identifier | 123517 |
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Class | DEFENCE OF BRITAIN |
Status | Preferred |
Index? | Yes |
Scope Note | 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. |