Keywords: sime road pillbox machine gun british world war 2 wwii concrete 1942 interior japanese invasion singapore public domain publicdomain outdoor en.wikipedia.org/wiki/Pillbox_(military) Pillboxes are concrete dug-in guard posts, normally equipped with loopholes through which to fire weapons. The originally jocular name arose from their perceived similarity to the cylindrical and hexagonal boxes in which medical pills were once sold.[1] They are in effect a trench firing step hardened to protect against small-arms fire and grenades and raised to improve the field of fire. en.wikipedia.org/wiki/Pillbox_(military) Pillboxes are concrete dug-in guard posts, normally equipped with loopholes through which to fire weapons. The originally jocular name arose from their perceived similarity to the cylindrical and hexagonal boxes in which medical pills were once sold.[1] They are in effect a trench firing step hardened to protect against small-arms fire and grenades and raised to improve the field of fire. |