Breastwork
91Concertina wire — Concertinered razor wire Concertina wire or Dannert Wire[1] is a type of barbed wire or razor wire that is formed in large coils which can be expanded like a concertina. In conjunction with plain barbed wire and steel pickets, it is used to form… …
92Waldo Patent — The Waldo Patent, a letters patent also known as the Muscongus Patent or the Lincolnshire Patent, was an area of land 36 miles square in what is now the U.S. state of Maine. In March, 1630, John Beauchamp of London, England, and Thomas Leverett… …
93City gate — The Brama Młyńska in Stargard Szczeciński one of a few water gates in Europe …
94HMVS Cerberus — is a breastwork monitor, a type of turreted warship designed in the 1860s by Edward Reed [Director of Naval Construction at the Admiralty] . Launched in 1868 to defend the Australian colony of Victoria, Cerberus was named after the three headed… …
95Parapet — A parapet is a wall like barrier at the edge of a roof or structure. It may serve to prevent unwanted falls over the edge or it may be a defensive, constructional or stylistic feature. Building parapetsThe word comes ultimately from the Italian… …
96Motte-and-bailey — A motte and bailey is a form of castle, with a wooden or stone keep situated on a raised earthwork called a motte, accompanied by an enclosed courtyard, or bailey, surrounded by a protective ditch an …
97Defensive fighting position — Foxhole redirects here. For the Cornish village, see Foxhole, Cornwall. Foxholes redirects here. For the North Yorkshire village, see Foxholes, North Yorkshire. U.S. Marine in a fighting hole, July 1958. A defensive fighting position (DFP) is a… …
98Cheval de frise — at the Confederate Fort Mahone defenses at Siege of Petersburg The cheval de frise (plural: chevaux de frise) was a Medieval defensive obstacle consisting of a portable frame (sometimes just a simple log) covered with many long iron or wooden… …
99Embrasure — For the area of the mouth, see Embrasure (dentistry). Inverted keyhole embrasure, allowing both arrow fire (through the arrow slit at the top) and small cannon fire through the circular opening, Château de Caen, France …
100Battlement — Castellated redirects here. For the hardware item, see castellated nut. 9th cent. BC relief of an Assyrian attack on a walled town with battlements …
