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词条 Bishop Rock, Isles of Scilly
释义

  1. History

  2. Lighthouse

     Renovation  Current Era  Structure 

  3. Culture

  4. See also

  5. References

  6. External links

{{For|the Bishop Rock in the Pacific Ocean|Cortes Bank}}{{Use dmy dates|date=December 2016}}{{Use British English|date=December 2016}}

The Bishop Rock ({{lang-kw|Men Epskop}})[1] is a very small islet in the Atlantic Ocean known for its lighthouse.

It is in the westernmost part of the Isles of Scilly, an archipelago {{convert|45|km|0|abbr=on}} off the southwestern tip of the Cornish peninsula of Great Britain. The Guinness Book of Records lists it as the world's smallest island with a building on it.[2]

The original iron lighthouse was begun in 1847 but was washed away before it could be completed. The present building was completed in 1858 and was first lit on 1 September that year. Prior to the installation of the helipad, visitors to the lighthouse would rappel from the top (with winches installed at the lamp level and at the base below) to boats waiting away from the lighthouse.[3]

Bishop Rock is also at the eastern end of the North Atlantic shipping route used by ocean liners in the first half of the 20th century; the western end being the entrance to Lower New York Bay. This was the route that ocean liners took when competing for the Transatlantic speed record, known as the Blue Riband.

History

In the late 13th century, when the Isles of Scilly were under the jurisdiction of John de Allet and his wife Isabella, anyone convicted of felony ″ought to be taken to a certain rock in the sea, with two barley loaves and a pitcher of water and left until the sea swallowed him up″.[4] The rock was recorded as Maen Escop in 1284 and Maenenescop in 1302. In Welsh, Maen Esgob means Bishop Rock. The outer rocks to the west of St Agnes used to be known as the Bishop and Clerk, but exactly how they acquired their names is not known for certain. One explanation is that when a fleet of merchantmen out of Spain were wrecked 200 years ago, only Miles Bishop and John and Henry Clerk survived.[4] Another possible explanation is that the shape of the rock is similar to a bishop's mitre.[5]

East of Bishop Rock are the Western Rocks and the Gilstone Reef,[6] where Admiral Shovell's flagship HMS Association was wrecked in the great naval disaster of 1707. Shovell's remains were repatriated to England by order of Queen Anne shortly after their initial burial in the Isles of Scilly.

The earliest recorded wreck on the rock itself was in 1839, when the brig Theodorick struck in rough misty weather on 4 September. She was out of Mogodore for London carrying a general cargo. In the early hours of 12 October 1842, the 600-tonne paddle steamer Brigand, a packet boat, which was en route from Liverpool to St Petersburg, struck the rock with such force that it stove in two large bow plates. The rocks then acted as a pivot, and she swung round and heeled into the rock port side, crushing the paddle-wheel and box to such an extent that it penetrated the engine room. She drifted over seven miles in two hours, before sinking in 90 m. All the crew were saved.[5] In 1901 a barque named Falkland struck the rock, her main yard hitting the lighthouse itself.[7]

Lighthouse

{{Infobox lighthouse
| name = Bishop Rock Lighthouse
| image_name = Bishop Rock Lighthouse - Isles of Scilly.jpg
| caption = Bishop Rock Lighthouse (2005)
| location = Isles of Scilly, Cornwall, United Kingdom
| coordinates = {{coord|49|52|22.5|N|06|26|44.5|W|display=inline,title}}
| coordinates_footnotes =
| pushpin_map=Isles of Scilly
| pushpin = lighthouse
| pushpin_map_caption=Isles of Scilly
| yearbuilt = 1858
| yearlit = 1887 (rebuilt)
| automated = 1992
| yeardeactivated =
| foundation =
| construction = granite tower
| shape = tapered cylindrical tower with lantern and helipad on the top
| marking = unpainted tower, white lantern
| height = {{convert|49|m|ft}}
| focalheight = {{convert|44|m|ft}}
| lens =
| currentlens = Hyper Radial 1330 mm Rotating
| intensity =600,000 Candela
| range = {{convert|24|nmi}}
| characteristic = Fl (2) W15s.
| fogsignal =
| admiralty = A0002
| NGA = 0004
| ARLHS = ENG 010
| USCG =
| managingagent = Trinity House[8]
}}

An 1818 Report by the Surveyor–General of the Duchy of Cornwall on the dangers to shipping in Cornwall proposed that a lighthouse be built, similar to the Eddystone Lighthouse, upon Bishop Rock, given its location as the westernmost rock of the Isles of Scilly. The plan was considered by the Government and building was expected soon, as the engineer John Rennie the Elder made an offer to build it.[10] The Government did not take up the offer, but Trinity House surveyed Bishop Rock in 1843, with a view to building a lighthouse, and work began in 1847.[11] The engineer in chief, James Walker, decided on a {{convert|120|ft|m|adj=mid|-tall}} design consisting of accommodation and a light on top of iron legs.[11] The light was never lit, since on 5 February 1850 a storm washed the tower away.[11]

In the second attempt, James Walker began building a stone structure in 1851.[11] The site presented a number of difficulties: the paucity of available land area and the slope of the rock meant that the lowest stone had to be laid below the low water level of the lowest spring tides.[12] The resident engineer was Nicholas Douglass assisted by first James and then William his sons. Despite multiple problems, the tower was completed without loss of life, and the lighthouse shone its first light on 1 September 1858.[12] It was fitted with a large (first order) fixed dioptric lens combined with a set of reflectors.[13] The total cost of the lighthouse was £34,559.[12] It was also provided with a 3 cwt fog bell, however this was washed away during a storm in January 1860; it was replaced with a larger bell, but not until 1864.[14]

Renovation

In 1881, Sir James Nicholas Douglass inspected the tower and designed a renovation to reinforce the structure by laying massive granite blocks into the rock and dove-tailing them onto the lighthouse.[15] The renovations increased its height by {{Convert|40|feet}}. The work began in 1882 and completed in 1887, under the supervision of Douglass's eldest surviving son, William Tregarthen Douglass. The new improved light (a multi-wick paraffin burner set within a revolving array of extra large hyperradiant Fresnel lenses) had a range of 18¼ nautical miles.[16] The optic was designed and built by Chance Brothers and was 'biform' (having two identical lights and lens arrays, one mounted above the other).[17] After renovation the lighthouse was equipped with an explosive fog signal: in foggy weather the keepers regularly had to attach a guncotton charge together with a detonator to a jib-type apparatus on the lantern gallery; from inside the lantern they would then raise the jib and fire the charge electrically.[14] The explosive signal remained in use until 1976.

Current Era

{{stack|}}

The paraffin lamps remained in service until 1973, when the light was converted to electricity. Difficulty reaching the lighthouse by boat led Trinity House to build a helipad on top of the lighthouse in 1976.[18] That same year a supertyfon fog horn was installed with sounders arranged around the gallery.[14]

On 15 December 1992 the tower became fully automated;[19] the lower half of the biform optic remains in use but following automation the top half was removed and put on display (it is currently in the National Maritime Museum Cornwall).[20] An electric fog signal replaced the supertyfon at this time, sounding a long followed by a short tone every 90 seconds;[21] its use was discontinued in 2007.[31]

On the 144th anniversary of the destruction of James Walker's original iron tower (February 5, 1994), a storm caused severe damage to the gunmetal entry doors, which had to be replaced;[22] they too became an exhibit at the National Maritime Museum in Falmouth.[23]

Structure

{{stack|
}}

Bishop Lighthouse is often referred to as "King of the lighthouses" and it is indeed a very impressive structure. With a height of {{convert|49|m|ft}} the lighthouse is the equal tallest in England, together with Eddystone Lighthouse.[31]

Expenditure on the lighthouses at Bishop Rock, include:

The first iron lighthouse: £12,500[24]

The second granite lighthouse: £34,559 [24] (equivalent to £{{formatnum:{{Inflation|UK|34559|1858|r=-3}}}} in {{Inflation-year|UK}}) {{Inflation-fn|UK|df=y}}

The third improved lighthouse: £64,889[24] (equivalent to £{{formatnum:{{Inflation|UK|64889|1887|r=-3}}}} in {{Inflation-year|UK}}) {{Inflation-fn|UK|df=y}}

Total cost: £111,948 [24]

The interior of the light house consists of the following:[25] Below and inside the lighthouse are 10 floors[26] with spiral staircase to the 2nd floor with a door (made from gun metal (likely bronze) and installed in 1887[27]) that leads down an external metal (likely bronze) ladder to climb down to the large exterior base. From the base another metal ladder provides access to a stone staircase to the water line.

Here is what is in the lighthouse:

  • 1st floor – Water tank (providing fresh water for lighthouse keepers)
  • 2nd floor – Entrance room with metal door leading to exterior ladder to base below
  • 3rd floor – Store room, with window
  • 4th floor – First oil room, with oil tanks formerly used to light the lamp
  • 5th floor – Second oil room, with window
  • 6th floor – Living room for lighthouse keepers, with window
  • 7th floor – Bedroom for lighthouse keepers, with window
  • 8th floor – Store room
  • 9th floor – Service room
  • 10th floor – Lamp

Culture

The rock is the subject of a short orchestral descriptive work by the late Doreen Carwithen (Mary Alwyn) which has been recorded by the London Symphony Orchestra under the baton of Richard Hickox.

The lighthouse was used as a filming location for one of the current BBC One Idents and was also featured in the last segment of the documentary series Three Men in More Than One Boat. The lighthouse was also featured in the 2010 BBC documentary Islands of Britain, hosted by Martin Clunes.

The lighthouse featured in BBC TV children's programme Blue Peter in 1975, when presenter Lesley Judd visited but "looked like she was about to plunge into the murky depths"[28] "disaster nearly struck as she travelled by rope to the lighthouse from a boat. Her harness snapped, leaving Lesley with no support should she lose her grip on the rope."[29]

The lighthouse also features in the novel 'Stone In The Blood' by Colin Jordan and David England.

See also

{{stack|{{Portal|United Kingdom|Lighthouses}}}}
  • List of shipwrecks of the Isles of Scilly
  • List of lighthouses in England

References

1. ^{{cite web|url=http://www.magakernow.org.uk/default.aspx?page=520 |title=Cornish Language Partnership: Place names in the SWF |publisher=Magakernow.org.uk |date= |accessdate=2013-08-12}}
2. ^{{cite news|url=http://www.cnn.com/2013/01/30/travel/most-remote-islands/index.html?hpt=hp_c3 |title=World's 7 most dangerous and remote islands |publisher=CNN.com |date= |accessdate=2013-08-12}}
3. ^{{cite web|author= |url=https://www.flickr.com/photos/hornbeam/7945839244/in/photostream/ |title=Bishop Rock lighthouse relief, 1970 | Flickr – Condivisione di foto! |publisher=Flickr.com |date=2012-09-06 |accessdate=2013-08-12}}
4. ^{{cite book|last=Larn|first=Richard|title=Shipwrecks of the Isles of Scilly|year=1992|publisher=Thomas & Lochar|location=Nairn}}
5. ^{{cite web|last=Maginnis|first=Clem|title=Around the Rugged Rock|url=http://www.divernet.com/Travel_Features/157098/around_the_rugged_rock.html|publisher=Divernet|accessdate=9 May 2014}}
6. ^{{cite web|url=http://www.shipwrecks.uk.com/tercentenary/images/_1530.jpg |title=Photograph of Gilstone Reef|publisher=Shipwrecks.uk.com |accessdate=2013-08-12}}
7. ^{{cite news |title=BRITISH BARK WRECKED; Founders Off Scilly Isles - Part of Her Crew Probably Drowned|url=https://www.nytimes.com/1901/06/23/archives/british-bark-wrecked-founders-off-scilly-isles-part-of-her-crew.html |work=New York Times |date=23 June 1901 |accessdate=2008-09-24 }}
8. ^[https://www.unc.edu/~rowlett/lighthouse/engsw.htm Bishop Rock Lighthouse] The Lighthouse Directory. University of North Carolina at Chapel Hill. Retrieved 22 April 2016
9. ^{{cite book| last1= Eugenio Ribera| first1 = José | title= Puentes de hierro económicos, muelles y faros sobre palizadas y pilotes mecánicos| url =http://fondosdigitales.us.es/fondos/libros/5869/5/puentes-de-hierro-economicos-muelles-y-faros-sobre-palizadas-y-pilotes-metalicos-por-don-jose-eugenio-ribera/| date = 1895| publisher = Librería Editorial de Bailly-Bailliere e Hijos| location = Madrid|pages = 299 (Lámina XIII)| isbn =}}
10. ^{{cite news|title=The Scilly Isles|url=http://freepages.genealogy.rootsweb.ancestry.com/~wbritonad/cornwall/Newmag-1812-32/1818-VolX,JulDec.html|accessdate=27 December 2012|newspaper=The New Monthly Mazazine|date=December 1818}}
11. ^{{cite book |title= Rock lighthouses of Britain The end of an era? |last= Nicholson |first= Christopher |year=1995 |publisher= Whittles Publishing |isbn=1-870325-41-9 |pages=114–115}}
12. ^Nicholson, op. cit., p. 116
13. ^{{cite web | title = Lighthouse management : the report of the Royal Commissioners on Lights, Buoys, and Beacons, 1861, examined and refuted Vol. 2 | pages = 91 | url = https://archive.org/stream/lighthousemanage02blak#page/91/mode/1up }}
14. ^{{cite book |last1=Renton |first1=Alan |title=Lost Sounds: The Story of Coast Fog Signals |date=2001 |publisher=Whittles |location=Caithness, Scotland}}
15. ^{{cite news |title=Important Additions To The Bishop Rock Lighthouse |work=The Cornishman |issue=216 |date=31 August 1882 |page=4}}
16. ^{{cite journal|title=Review of Life of Sir James Nicholas Douglass, F.R.S. by Thomas Williams|date=8 September 1900|issue=No. 3802|pages=317–318|journal=The Athenaeum|url=https://babel.hathitrust.org/cgi/pt?id=iau.31858029268087;view=1up;seq=255}}
17. ^{{cite web|title=Hyper-Radial Lenses|url=http://uslhs.org/hyper-radial-lenses|publisher=United States Lighthouse Society|accessdate=2 February 2016}}
18. ^Nicholson, op. cit., p. 126
19. ^Nicholson, op. cit., p. 127
20. ^{{cite web |title=A celebration of lighthouses at National Maritime Museum Cornwall |url=https://www.culture24.org.uk/history-and-heritage/historic-buildings/art76515 |website=Culture24 |accessdate=1 March 2019}}
21. ^{{cite book |last1=Woodman |first1=Richard |last2=Wilson |first2=Jane |title=The Lighthouses of Trinity House |date=2002 |publisher=Thomas Reed |location=Bradford-on-Avon, Wilts. |pages=96-97}}
22. ^{{cite web|url = http://worldwidelighthouses.com/Lighthouses/English-Lighthouses/Trinity-House-Owned/Bishop-Rock |title=Bishop Rock Lighthouse}}
23. ^{{cite web |title=Photo |url=https://www.alamy.com/stock-photo-bishop-rock-lighthouse-doors-damaged-by-storm-displayed-inside-the-47590261.html |website=Alamy |accessdate=20 March 2019}}
24. ^[https://www.trinityhouse.co.uk/lighthouses-and-lightvessels/bishop-rock-lighthouse Bishop Rock Lighthouse] Trinity House. Retrieved 22 April 2016
25. ^{{cite web|url=http://www.gutenberg.org/files/41472/41472-h/41472-h.htm |title=The Project Gutenberg eBook of Encyclopædia Britannica, Volume XVI Slice VI - Lightfoot, Joseph to Liquidation |publisher=Gutenberg.org |date= |accessdate=2013-08-12}}
26. ^{{cite web|url=http://www.amusingplanet.com/2013/07/bishop-rock-smallest-island-in-world.html |title=Bishop Rock: The Smallest Island in the World |publisher=amusingplanet.com |date= |accessdate=2013-12-05}}
27. ^{{cite web|url=http://www.bing.com/images/search?q=Bishops+Rock+lighthouse&view=detail&id=813587EA885E91BDBC5AF80C8A7DC8670CE1E96F&first=233&FORM=IDFRIR |title=Bishops Rock lighthouse - Bing Afbeeldingen |publisher=Bing.com |date= |accessdate=2013-08-12}}
28. ^http://www.bbc.co.uk/cult/classic/bluepeter/presenters/judd.shtml
29. ^http://www.bbc.co.uk/cult/classic/bluepeter/lesleypetejohn/trivia.shtml

External links

{{commons category|Bishop Rock}}
  • [https://web.archive.org/web/20130608125046/http://www.trinityhouse.co.uk/lighthouses/lighthouse_list/bishop_rock.html Trinity House – Bishop Rock]
  • A description of Bishop Rock and the lighthouse
  • [https://www.youtube.com/watch?v=78PNopUYM4Q Full video tour of the lighthouse just prior to automation]
  • OS map image
{{Isles of Scilly}}{{Lighthouses of Trinity House}}{{Lighthouses in England}}

7 : Uninhabited islands of the Isles of Scilly|Lighthouses completed in 1858|Towers completed in 1858|Lighthouses in Cornwall|1858 establishments in England|Grade II listed lighthouses|Grade II listed buildings in Cornwall

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