Zwinger (Goslar)

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The Zwinger in Goslar Zwinger Goslar Harz.jpg
The Zwinger in Goslar

The Zwinger in Goslar is a battery tower that is part of the fortifications of the old imperial city of Goslar, Germany. It is located on the Thomaswall in the south of the town and was built in 1517. On this side Goslar was strongly dominated by the nearby hill of Rammelsberg, which would have made a good location for positioning enemy guns in the event of an attack on the town; the town fortifications therefore needed the extra protection of a strong battery tower at this point.

Battery tower

A battery tower was a defensive tower built into the outermost defences of many castles, usually in the 16th century or later, after the advent of firearms. Its name is derived from the word battery, a group of several cannon.

Goslar Place in Lower Saxony, Germany

Goslar is a historic town in Lower Saxony, Germany. It is the administrative centre of the district of Goslar and located on the northwestern slopes of the Harz mountain range. The Old Town of Goslar and the Mines of Rammelsberg are UNESCO World Heritage Sites.

Rammelsberg Mine and mining museum in the Harz

The Rammelsberg is a mountain, 635 metres (2,083 ft) high, on the northern edge of the Harz range, south of the historic town of Goslar in the North German state of Lower Saxony. The mountain is the location of an important silver, copper, and lead mine, the only mine which had been working continuously for over 1,000 years when it finally closed in 1988. Since 1992, the visitor mine of Rammelsberg has become a UNESCO World heritage site.

The stonework of Goslar's Zwinger was predominantly made of sandstone quarried from the Sudmerberg northeast of Goslar and mortared with burnt lime. Because lime burning was still in not fully developed, the builders mixed the mortar with horsehair, quark, goat's milk and ox blood to harden it fully.

Sandstone A clastic sedimentary rock composed mostly of sand-sized particles

Sandstone is a clastic sedimentary rock composed mainly of sand-sized mineral particles or rock fragments.

Sudmerberg District of Goslar in Lower Saxony, Germany

Sudmerberg is a suburb of Goslar in Lower Saxony, Germany, named after a prominent 354 m (1,161 ft)-metre-high hill to the east.

Horsehair long, coarse hair growing on the manes and tails of horses

Horsehair is the long, coarse hair growing on the manes and tails of horses. It is used for various purposes, including upholstery, brushes, the bows of musical instruments, a hard-wearing fabric called haircloth, and for horsehair plaster, a wallcovering material formerly used in the construction industry and now found only in older buildings.

Immediately under the corbelling are two sandstone tablets in the wall bearing the coats of arms of the German Empire and the town of Goslar and the inscription "Anno dm M D X V II". The original conical roof was dismantled in 1857.

With a wall thickness at the base of 6.5 metres, a diameter of 26 metres and a height of 20 metres, the Zwinger is one of the strongest surviving and utilised defensive towers in Europe.

The Goslar Zwinger has been privately owned since 1 August 1936. Today it houses a restaurant on the ground floor, three holiday apartments on the middle floor and a small museum of medieval weapons, armour and torture implements on the top floor.

Restaurant single establishment which prepares and serves food

A restaurant, or an eatery, is a business which prepares and serves food and drinks to customers in exchange for money. Meals are generally served and eaten on the premises, but many restaurants also offer take-out and food delivery services, and some offer only take-out and delivery. Restaurants vary greatly in appearance and offerings, including a wide variety of cuisines and service models ranging from inexpensive fast food restaurants and cafeterias to mid-priced family restaurants, to high-priced luxury establishments.

A weapon, arm or armament is any device that can be used with intent to inflict damage or harm. Weapons are used to increase the efficacy and efficiency of activities such as hunting, crime, law enforcement, self-defense, and warfare. In broader context, weapons may be construed to include anything used to gain a tactical, strategic, material or mental advantage over an adversary or enemy target.

Armour or armor is a protective covering that is used to prevent damage from being inflicted to an object, individual or vehicle by direct contact weapons or projectiles, usually during combat, or from damage caused by a potentially dangerous environment or activity. Personal armour is used to protect soldiers and war animals. Vehicle armour is used on warships and armoured fighting vehicles.

Coordinates: 51°54′10.31″N10°25′58.10″E / 51.9028639°N 10.4328056°E / 51.9028639; 10.4328056

Geographic coordinate system Coordinate system

A geographic coordinate system is a coordinate system that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are often chosen such that one of the numbers represents a vertical position and two or three of the numbers represent a horizontal position; alternatively, a geographic position may be expressed in a combined three-dimensional Cartesian vector. A common choice of coordinates is latitude, longitude and elevation. To specify a location on a plane requires a map projection.

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A Zwinger is part of a medieval castle or town fortification. It may also refer to:

Zwinger area between main and secondary walls of a fortification

A Zwinger is an open area between two defensive walls that is used for defensive purposes. Zwingers were built in the Middle Ages and Early Modern Period to improve the defence of castles and town walls. The term is German and usually left untranslated. However, it is sometimes rendered as "outer courtyard" presumably referring to the subsequent role of a Zwinger as a castle's defences became redundant and it was converted into a palace or schloss, however, this belies its original purpose as a form of killing ground for the defence. The word is linked with zwingen, "to force", perhaps because the Zwinger forced an enemy to negotiate it before assaulting the main defensive line. Essenwein states that the "main purpose of this feature was so that the besieging force could not reach the actual castle wall very easily with battering rams or belfries, but had to stop at the lower, outer wall; also that two ranks of archers, behind and above one another, could fire upon the approaching enemy"

Alt-Trauchburg Castle

The ruins of Alt-Trauchburg Castle, also called the Alttrauchburg or Trauchburg, lie above the Weitnau hamlet of Kleinweiler in the county of Oberallgäu in Swabia. Large parts of the original stone walls of the high- to post-medieval castle remain. The ruins are some of the best preserved in the Allgäu region of Germany.

Wellheim Castle castle

Wellheim Castle is a former fortification in Upper Bavaria. The ruins of the old rock castle stand dominantly on Jurassic rocks above the market town of Wellheim in the ancient Danube valley. It was abandoned in the 18th century and partially demolished.

Heunischenburg

The Heunischenburg is a stone fortification of the late Urnfield period near the Upper Franconian town of Kronach in Germany. Its heyday was in the 9th century BC, making it the oldest stone fortification north of the Alps that is known and archaeologically investigated.

Nassenfels Castle castle

Nassenfels Castle stands at the edge of the market village of Nassenfels in the county of Eichstätt in Upper Bavaria. The former water castle is still lived in and may only be viewed from the outside.