Lime kilns, Oeiras, Portugal: Difference between revisions
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{{short description|Lime kilns in Portugal}} |
{{short description|Lime kilns in Portugal}} |
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{{Coord|38.69442|N|9.2932|W|display=title}} |
{{Coord|38.69442|N|9.2932|W|display=title}} |
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[[File:FornosdaCal1.jpg|thumb|Front of Oeiras lime kiln]] |
[[File:FornosdaCal1.jpg|thumb|Front of Oeiras lime kiln]] |
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These '''[[Lime Kilns]]''' ({{lang-pt|Fornos da Cal }}) were five circular kilns made of stone, dating back to the late [[Middle Ages]], located in [[Paço de Arcos]], [[Oeiras, Portugal|Oeiras Municipality]], [[Lisbon District]], [[Portugal]]. Four have been demolished or incorporated into surrounding buildings and their gardens but one was purchased by the municipality in 1989. Archaeological work began in 1994 and the kiln was opened to the public in September 2004. The kilns are classified by the Portuguese Government as a Property of Public Interest. |
These '''[[Lime Kilns]]''' ({{lang-pt|Fornos da Cal }}) were five circular kilns made of stone, dating back to the late [[Middle Ages]], located in [[Paço de Arcos]], [[Oeiras, Portugal|Oeiras Municipality]], [[Lisbon District]], [[Portugal]]. Four have been demolished or incorporated into surrounding buildings and their gardens but one was purchased by the municipality in 1989. Archaeological work began in 1994 and the kiln was opened to the public in September 2004. The kilns are classified by the Portuguese Government as a Property of Public Interest.<ref>{{cite web |title=Fornos da Cal Paço de Arcos – Oeiras |url=https://www.guiadacidade.pt/pt/poi-fornos-da-cal-824 |website=GuiadaCidade.pt |accessdate=22 March 2019}}</ref><ref name="Patrimonio">{{cite web |title=Fornos de Cal (conjunto de 5) |url=http://www.patrimoniocultural.gov.pt/pt/patrimonio/patrimonio-imovel/pesquisa-do-patrimonio/classificado-ou-em-vias-de-classificacao/geral/view/155805 |website=Patrimonio Cultural |accessdate=22 March 2019}}</ref> |
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[[File:FornosdaCal3.jpg|thumb|Interior of the kiln]] |
[[File:FornosdaCal3.jpg|thumb|Interior of the kiln]] |
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==History== |
== History == |
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There are doubts as to the exact time of origin of the five lime kilns in Paço de Arcos. The earliest known reference to limestone burning dates from 1582 but the construction of the surviving kilns may have been later. In the 1700s they were identified in maps of the area. They provided a major economic activity in the area and played an important role in supplying lime for construction of the many forts along the River [[Tagus]] protecting [[Lisbon]]. The 1582 reference related to a builder involved with the reinforcement of the nearby [[Fort of São Julião da Barra]] hiring masons to make lime in the kilns. Use of the kilns is believed to have ceased in the middle of the 19th century. For a time they were then used as stores by nearby fishermen.<ref name=Patrimonio/> |
There are doubts as to the exact time of origin of the five lime kilns in Paço de Arcos. The earliest known reference to limestone burning dates from 1582 but the construction of the surviving kilns may have been later. In the 1700s they were identified in maps of the area. They provided a major economic activity in the area and played an important role in supplying lime for construction of the many forts along the River [[Tagus]] protecting [[Lisbon]]. The 1582 reference related to a builder involved with the reinforcement of the nearby [[Fort of São Julião da Barra]] hiring masons to make lime in the kilns. Use of the kilns is believed to have ceased in the middle of the 19th century. For a time they were then used as stores by nearby fishermen.<ref name="Patrimonio" /><ref name="Cardoso">{{cite web |last1=Cardoso |first1=João |title=FORNOS DA CAL DE PAÇO DE ARCOS |url=https://repositorioaberto.uab.pt/bitstream/10400.2/6042/1/1995%20Fornos%20da%20cal%20de%20Pa%2b%C2%BAo%20de%20Arcos.%20Resumo%20do%20relat%2b%C2%A6rio%20das%20escava%2b%C2%BA%2b%C3%81es%20arqueol%2b%C2%A6gicas.pdf |website=Repositorio Aberto: Universidade Aberta |accessdate=22 March 2019}}</ref> |
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[[File:FornosdaCal2.jpg|thumb|Side view of the kiln]] |
[[File:FornosdaCal2.jpg|thumb|Side view of the kiln]] |
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The five circular kilns, or ovens, had a diameter of 7-8 metres at their base. They were interconnected in order to optimize the material and human resources involved in the process. They were single-chamber, boiler-type ovens with very thick walls (3 metres at the base) necessary for the conversion process that required extremely high temperatures over a long period. Each kiln had one door and an inner chamber inside a conical dome.<ref name=Patrimonio/><ref name=Cardoso/> |
The five circular kilns, or ovens, had a diameter of 7-8 metres at their base. They were interconnected in order to optimize the material and human resources involved in the process. They were single-chamber, boiler-type ovens with very thick walls (3 metres at the base) necessary for the conversion process that required extremely high temperatures over a long period. Each kiln had one door and an inner chamber inside a conical dome.<ref name="Patrimonio" /><ref name="Cardoso" /> |
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==References== |
== References == |
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{{Reflist}} |
{{Reflist}} |
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*{{Commons category-inline|Lime kilns in Portugal}} |
* {{Commons category-inline|Lime kilns in Portugal}} |
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[[Category:Buildings and structures in Oeiras]] |
[[Category:Buildings and structures in Oeiras]] |
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[[Category:Lime kilns in Portugal]] |
[[Category:Lime kilns in Portugal]] |
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Revision as of 06:55, 2 April 2019
38°41′40″N 9°17′36″W / 38.69442°N 9.2932°W
These Lime Kilns (Portuguese: Fornos da Cal) were five circular kilns made of stone, dating back to the late Middle Ages, located in Paço de Arcos, Oeiras Municipality, Lisbon District, Portugal. Four have been demolished or incorporated into surrounding buildings and their gardens but one was purchased by the municipality in 1989. Archaeological work began in 1994 and the kiln was opened to the public in September 2004. The kilns are classified by the Portuguese Government as a Property of Public Interest.[1][2]
History
There are doubts as to the exact time of origin of the five lime kilns in Paço de Arcos. The earliest known reference to limestone burning dates from 1582 but the construction of the surviving kilns may have been later. In the 1700s they were identified in maps of the area. They provided a major economic activity in the area and played an important role in supplying lime for construction of the many forts along the River Tagus protecting Lisbon. The 1582 reference related to a builder involved with the reinforcement of the nearby Fort of São Julião da Barra hiring masons to make lime in the kilns. Use of the kilns is believed to have ceased in the middle of the 19th century. For a time they were then used as stores by nearby fishermen.[2][3]
The five circular kilns, or ovens, had a diameter of 7-8 metres at their base. They were interconnected in order to optimize the material and human resources involved in the process. They were single-chamber, boiler-type ovens with very thick walls (3 metres at the base) necessary for the conversion process that required extremely high temperatures over a long period. Each kiln had one door and an inner chamber inside a conical dome.[2][3]
References
- ^ "Fornos da Cal Paço de Arcos – Oeiras". GuiadaCidade.pt. Retrieved 22 March 2019.
- ^ a b c "Fornos de Cal (conjunto de 5)". Patrimonio Cultural. Retrieved 22 March 2019.
- ^ a b Cardoso, João. "FORNOS DA CAL DE PAÇO DE ARCOS" (PDF). Repositorio Aberto: Universidade Aberta. Retrieved 22 March 2019.
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