A half tower (sometimes half-tower), open tower, [1] or open-gorged tower [2] (German : Schalenturm, Halbschalenturm or Schanzturm) is a fortified stone tower in an external wall or castle enceinte that is open, or only lightly constructed, at the rear. Towers of this type were used, for example, in city walls. City gates can also be incorporated into a type of half tower.
Unlike closed towers, which were fully enclosed by walls, half towers were open on the inside, typically the side facing the city or the inner bailey of a castle. On this side, a wooden railing on individual floors stopped people or objects from falling off. Sometimes the open side was sealed with wooden planking or weaker timber framed walls. Towers that are fully open at the top and rear are open towers, whilst those only open on the lower floors (i.e., the top floor is walled and roofed) are partially open towers. [1]
Most half towers were semi-circular in plan, but some were rectangular.
City or town wall towers
Town wall towers in
Aigues-Mortes is a commune in the Gard department in the Occitania region of southern France. The medieval city walls surrounding the city are well preserved. Situated on the junction of the Canal du Rhône à Sète and the Chenal Maritime to Le Grau-du-Roi, the town is a transit center for canal craft and Dutch barges.
A motte-and-bailey castle is a European fortification with a wooden or stone keep situated on a raised area of ground called a motte, accompanied by a walled courtyard, or bailey, surrounded by a protective ditch and palisade. Relatively easy to build with unskilled labour, but still militarily formidable, these castles were built across northern Europe from the 10th century onwards, spreading from Normandy and Anjou in France, into the Holy Roman Empire, as well as the Low Countries it controlled, in the 11th century, when these castles were popularized in the area that became the Netherlands. The Normans introduced the design into England and Wales. Motte-and-bailey castles were adopted in Scotland, Ireland, and Denmark in the 12th and 13th centuries. By the end of the 13th century, the design was largely superseded by alternative forms of fortification, but the earthworks remain a prominent feature in many countries.
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A keep is a type of fortified tower built within castles during the Middle Ages by European nobility. Scholars have debated the scope of the word keep, but usually consider it to refer to large towers in castles that were fortified residences, used as a refuge of last resort should the rest of the castle fall to an adversary. The first keeps were made of timber and formed a key part of the motte-and-bailey castles that emerged in Normandy and Anjou during the 10th century; the design spread to England, Portugal, south Italy and Sicily. As a result of the Norman invasion of 1066, use spread into Wales during the second half of the 11th century and into Ireland in the 1170s. The Anglo-Normans and French rulers began to build stone keeps during the 10th and 11th centuries, including Norman keeps, with a square or rectangular design, and circular shell keeps. Stone keeps carried considerable political as well as military importance and could take a decade or more to build.
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Stadtmuseum Rapperswil-Jona is a museum of local history and art in Rapperswil, canton of St. Gallen in Switzerland.
Schweinsberg Castle or Schweinsberghaus is a fortified house in the municipality of Attinghausen in the canton of Uri in Switzerland. It is a Swiss heritage site of national significance.
Romanesque architecture is an architectural style of medieval Europe characterised by semi-circular arches. The term "Romanesque" is usually used for the period from the 10th to the 12th century with "Pre-Romanesque" and "First Romanesque" being applied to earlier buildings with Romanesque characteristics. Romanesque architecture can be found across the continent, diversified by regional materials and characteristics, but with an overall consistency that makes it the first pan-European architectural style since Imperial Roman Architecture. The Romanesque style in England is traditionally referred to as Norman architecture.
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Einsiedlerhaus is a historic building with an adjoint garden which is part of the former town wall of the medieval Swiss town of Rapperswil in the Canton of St. Gallen.
