A graduation tower (occasionally referred to as a thorn house[1]) is a structure, used in the production of salt, that removes water from a saline solution by evaporation, increasing its concentration of mineral salts. The tower consists of a wooden wall-like frame stuffed with bundles of brushwood (typically blackthorn) that have to be changed every five to ten years, as they become encrusted with mineral deposits over time.[2] The salt water runs down the tower and partly evaporates. At the same time, some minerals from the solution are left behind on the brushwood twigs.
Graduation towers can be found in a number of spa towns, primarily in Germany but also Poland and Austria. The mineral-rich water droplets in the air are regarded[by whom?] as having beneficial health effects similar to that of breathing in sea air.[citation needed]
A large complex of graduation towers is located in Ciechocinek and Inowrocław, Poland.[2] This entirely wooden construction in Ciechocinek was erected in the 19th century by Stanisław Staszic. The complex consists of three towers, with a total length of over 2 km. Many tourists visit it for health reasons.[citation needed]
^"Graduation House". www.thermarium.com. Archived from the original on 10 August 2014. Retrieved 9 August 2014.
^ abAffelt, Waldemar: Wooden masterwork of saline in Ciechocinek, Poland Archived 2011-09-07 at the Wayback Machine, in: Santiago Huerta (ed.): Proceedings of the First International Congress on Construction History: Madrid, 20th–24th January 2003, Instituto Juan de Herrera, Madrid 2003, ISBN 84-9728-070-9
A graduationtower (occasionally referred to as a thorn house) is a structure, used in the production of salt, that removes water from a saline solution...
The Ciechocinek graduationtowers are a complex of three brine graduationtowers, erected in the nineteenth century in Ciechocinek, in the Kuyavian-Pomeranian...
Ciechocinek is known for its unique[clarification needed] 'saline graduationtowers'. Experts have considered the local saline springs to be of extreme...
experimental saltworks and still contains the historic site of Puckey's graduationtower and house, a jetty site he built and plaques on aboriginal and European...
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was feasible because a Zechstein layer is located in the ground. A graduationtower was built in 1772. From 1851 on balneotherapy was offered for guests...
House or Thorne House may refer to: A thorn house, another name for a Graduationtower in the United States (by state) Thorn-Stingley House, Homer, Alaska...
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serves as the central symbol of the campus, where special events and graduation ceremonies are held. The building was completed in 1925 with a donation...
Leiningen family; the abbey was founded by Emperor Conrad II. Graduationtower – The graduationtower Bad Dürkheim produced medicinal salts, until it was destroyed...
and Tower St. It was listed on the National Register of Historic Places in 1977 as the Tower Homestead and Masonic Temple. Upon graduation, Tower became...
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Cathedral and White Granary Church of the Assumption in Koronowo Graduationtowers in Ciechocinek Solanka Park in Inowrocław Czarna Droga Lock of the...
graduationtower. The three parks have been connected and upgraded by this event. trafo station Monopteros derrick honour monument Tretrad graduation...