Farne Lighthouse
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Farne Lighthouse is a
lighthouse A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lens (optics), lenses and to serve as a beacon for navigational aid for maritime pilots at sea or on inland waterways. Ligh ...
on the southern tip of
Inner Farne The Farne Islands are a group of islands off the coast of Northumberland, England. The group has between 15 and 20 islands depending on the level of the tide.
(one of a group of islands off the coast of North
Northumberland Northumberland ( ) is a ceremonial counties of England, ceremonial county in North East England, on the Anglo-Scottish border, border with Scotland. It is bordered by the North Sea to the east, Tyne and Wear and County Durham to the south, Cumb ...
). Built in the early 19th century, it still functions as a lighthouse and is managed by
Trinity House The Corporation of Trinity House of Deptford Strond, also known as Trinity House (and formally as The Master, Wardens and Assistants of the Guild Fraternity or Brotherhood of the most glorious and undivided Trinity and of St Clement in the ...
(England's
general lighthouse authority A general lighthouse authority (GLA) is one of three agencies primarily responsible for aids to navigation in the United Kingdom and the Republic of Ireland. They are divided into regions as follows: *Trinity House: England & Wales, Channel Islan ...
). In 1910 it was one of the first Trinity House lighthouses to be
automated Automation describes a wide range of technologies that reduce human intervention in processes, mainly by predetermining decision criteria, subprocess relationships, and related actions, as well as embodying those predeterminations in machine ...
.


History

Farne Lighthouse was one of a pair built on Inner Farne by the
Corporation of Trinity House The Corporation of Trinity House of Deptford Strond, also known as Trinity House (and formally as The Master, Wardens and Assistants of the Guild Fraternity or Brotherhood of the most glorious and undivided Trinity and of St Clement in the ...
in 1811, both of which were designed by Daniel Alexander to replace an earlier coal-burning light which had been established on the island by Captain John Blackett in 1778. Farne Lighthouse (originally named Farne High Lighthouse) is a cylindrical white tower, tall with a
lighthouse keeper A lighthouse keeper or lightkeeper is a person responsible for tending and caring for a lighthouse, particularly the light and lens in the days when oil lamps and clockwork mechanisms were used. Lighthouse keepers were sometimes referred to as ...
's cottage attached to its base. It was initially provided with a revolving array of seven
Argand lamp The Argand lamp is a type of oil lamp invented in 1780 by Aimé Argand. Its output is 6 to 10 candelas, brighter than that of earlier lamps. Its more complete combustion of the candle wick and oil than in other lamps required much less frequen ...
s and reflectors, which displayed a single white flash every 30 seconds. In 1910 it was converted to run automatically on
acetylene Acetylene (Chemical nomenclature, systematic name: ethyne) is a chemical compound with the formula and structure . It is a hydrocarbon and the simplest alkyne. This colorless gas is widely used as a fuel and a chemical building block. It is u ...
; the gas was manufactured in an adjacent producer plant and controlled by a
sun valve A sun valve (''Swedish: solventil'', "solar valve") is a flow control valve that automatically shuts off gas flow during daylight. It earned its inventor Gustaf Dalén the 1912 Nobel Prize in Physics. Subsequently other variants of sun valve were ...
. A new fixed
third order Fresnel lens A Fresnel lens ( ; ; or ) is a type of composite compact lens which reduces the amount of material required compared to a conventional lens by dividing the lens into a set of concentric annular sections. The simpler dioptric (purely refractive ...
was installed in the lantern and a red
sector Sector may refer to: Places * Sector, West Virginia, U.S. Geometry * Circular sector, the portion of a disc enclosed by two radii and a circular arc * Hyperbolic sector, a region enclosed by two radii and a hyperbolic arc * Spherical sector, a po ...
was added to the main light to indicate lines of approach that were hazardous for shipping. (That same year saw the nearby Bamburgh Lighthouse established, with a
sector light A sector light is a man-made pilotage and position fixing aid that consists of strictly delineated horizontal angle light beams to guide water-borne traffic through a safe channel at night in reasonable visibility. Sector lights are most often ...
that worked in conjunction with the Inner Farne light.) This arrangement largely remains in place, except that in 1996 the light was converted from acetylene to solar powered electric operation. The other lighthouse on the island (Farne Low Lighthouse) was an octagonal tower, tall, placed away from the first, close to the north-west tip of the island. It served to warn shipping of the Megstone, an isolated rocky island lying (in line with the two lights) just under a mile away to the north-west. Whereas the High Light revolved, the Low Light showed a fixed beam from a single Argand lamp and reflector; it was monitored by the keeper at the High Lighthouse, the light being made visible through a small aperture in the rear of the Low Lighthouse. After the High Light had been modified and automated in 1910, use of the Low Light was discontinued; before long it was demolished along with most of the keepers' accommodation (which was now no longer needed).


Associated lighthouses

In 1811, at the same time as it was building the two lighthouses on Inner Farne, Trinity House also built a new lighthouse on one of the outer
Farne Islands The Farne Islands are a group of islands off the coast of Northumberland, England. The group has between 15 and 20 islands depending on the level of the tide.
: Brownsman Island. This light was also designed by Daniel Alexander and was similar to the other two in appearance and layout but taller; it too was equipped with a revolving set of lamps and reflectors. It likewise replaced an earlier light built by Captain Blackett in 1778 (on nearby Staple Island, but subsequently relocated to Brownsman). The 1811 installation on Brownsman Island was itself later moved to a more effective position on Longstone Island, further out to sea; named
Longstone Lighthouse Longstone Lighthouse is an active 19th century lighthouse on Longstone Rock in the outer group of the Farne Islands off the Northumberland Coast National Landscape, Northumberland Coast, England. Completed in 1826, it was originally called the ...
, it too remains active as an aid to navigation for Trinity House.


Present day

The tower is tall with a range for the light of . Farne Island Lighthouse was sold on 6 June 2005 to the
National Trust The National Trust () is a heritage and nature conservation charity and membership organisation in England, Wales and Northern Ireland. The Trust was founded in 1895 by Octavia Hill, Sir Robert Hunter and Hardwicke Rawnsley to "promote the ...
for £132,000; nevertheless it remains an operational lighthouse, with relevant areas of the building having been leased back to Trinity House for a peppercorn rent. In 2022 permission was given for the lamp to be replaced with an
LED A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. The color of the light (corresp ...
light source, designed to function within the original lens; this upgrade was completed in March 2022.


See also

*
List of lighthouses in England This is a list of lighthouses in England. It includes lighthouses which are no longer in use as a light but are still standing. It also includes some of the harbour and pier-head lights around the country. Details of several lighthouses and li ...


Notes


External links


Trinity House page

Lighthouse access & boat trips

{{Authority control Lighthouses completed in 1811 Lighthouses in Northumberland Grade II listed lighthouses Grade II listed buildings in Northumberland