File:Dumbarton Rock, the Portcullis Arch - geograph.org.uk - 1381252.jpg
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English: Dumbarton Rock: the Portcullis Arch [This is one of a linked series of articles about Dumbarton Rock. See the end of 1380091 for a list of the reference works that are cited here in abbreviated form.]
As mentioned in the article about the Guard House ( https://www.geograph.org.uk/photo/1380537 ), there is a narrow defile that ascends the southern side of the Rock, between the two peaks. It leads from a low terrace where the present-day Governor's House stands (in the medieval castle, this area was referred to as the Nether Bailey), to a high terrace on the area between the peaks (this area was known as the Over Bailey). There were two defensive structures spanning this defile at different heights; of these, the upper barrier was the Portcullis Arch, which is shown here [OSG07, p5, 9]. This probably dates to the fourteenth century; it is the oldest surviving structure on the Rock. Its function is two-fold: not only does it defend this narrow southern cleft, but it also served as a bridge providing easier access to a watch-tower (called the White Tower) which is now completely destroyed, but which once stood on the western peak of the Rock (that peak is still known as White Tower Crag) [OSG92, p16; HD, p73]. Even in the present-day layout of the castle, steps on top of the Portcullis Arch are the means of reaching the summit of the western peak; note the railings that are visible on top of the arch. Previous: 1380538. Next: 1381294. |
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| Source | From geograph.org.uk |
| Author | Lairich Rig |
| Attribution (required by the license) | Lairich Rig / Dumbarton Rock: the Portcullis Arch / |
| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
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| Object location | | View this and other nearby images on: OpenStreetMap | |
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This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Lairich Rig and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 18:14, 28 February 2011 | | 480 × 640 (113 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Dumbarton Rock: the Portcullis Arch [This is one of a linked series of articles about Dumbarton Rock. See the end of http://www.geograph.org.uk/photo/1380091 for a list of the reference works that a |
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