The Lizard 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 ...

Lizard Point, Cornwall Lizard Point () in Cornwall is at the southern tip of the The Lizard, Lizard Peninsula. It is situated half-a-mile (800 m) south of Lizard (village), Lizard village in the civil parish of Landewednack and about 11 miles (18 km) southe ...

, England, built to guide vessels passing through the

English Channel The English Channel, also known as the Channel, is an arm of the Atlantic Ocean that separates Southern England from northern France. It links to the southern part of the North Sea by the Strait of Dover at its northeastern end. It is the busi ...

. It was often the welcoming beacon to persons returning to England, where on a clear night, the reflected light could be seen away.

History

A light was first exhibited here in 1619, built thanks to the efforts of Sir John Killigrew, but it was extinguished and the tower demolished in 1630 because of difficulties in raising funds for its operation and maintenance. The current lighthouse, consisting of two towers with cottages between them, was built in 1751 by the landowner Thomas Fonnereau; each tower was topped by a coal-fired brazier.

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 ...

took responsibility for the installation in 1771. In 1812 the coal burners on each tower were replaced with

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. In each tower a fixed arrangement of nineteen lamps and reflectors was installed. In 1873 the original lamps and reflectors were still in use. That year, because of the number of wrecks still occurring around the Point, the decision was taken to upgrade the lights and provide a fog signal. Therefore, in 1874, the site was significantly changed by the building of an engine room to provide electric power, not only for the lights but also for a fog siren. The engine room was equipped with three 10 hp caloric engines by A & F Brown of New York, driving six

Siemens Siemens AG ( ) is a German multinational technology conglomerate. It is focused on industrial automation, building automation, rail transport and health technology. Siemens is the largest engineering company in Europe, and holds the positi ...

dynamo-electric machines, which in turn powered an

arc lamp An arc lamp or arc light is a lamp that produces light by an electric arc (also called a voltaic arc). The carbon arc light, which consists of an arc between carbon electrodes in air, invented by Humphry Davy in the first decade of the 1800s, ...

in each tower; (caloric engines were used because there was no nearby source of fresh water for

steam power A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This pushing force can be transf ...

). At the same time a pair of medium-sized (third-order) fixed

catadioptric A catadioptric optical system is one where refraction and reflection are combined in an optical system, usually via lenses ( dioptrics) and curved mirrors ( catoptrics). Catadioptric combinations are used in focusing systems such as searchlig ...

optics Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of optical instruments, instruments that use or Photodetector, detect it. Optics usually describes t ...

were installed, one on each tower, designed by

John Hopkinson John Hopkinson, FRS, (27 July 1849 – 27 August 1898) was a British physicist, electrical engineer, Fellow of the Royal Society and President of the IEE (now the IET) twice in 1890 and 1896. He invented the three-wire (three-phase) system for ...

Chance Brothers Chance Brothers and Company was an English glassworks originally based in Spon Lane, Smethwick, West Midlands (county), West Midlands (formerly in Staffordshire), in England. It was a leading glass manufacturer and a pioneer of British glassma ...

. The siren was in use from January 1878; it sounded (one blast every five minutes) through a horizontal horn which was installed on the roof of the engine house and could be moved depending on the prevailing wind direction. The new electric lights were first lit on 29 March that same year. In 1885 the Siemens dynamos were replaced by a pair of more powerful de Méritens

magneto A magneto is an electrical generator that uses permanent magnets to produce periodic pulses of alternating current. Unlike a dynamo, a magneto does not contain a commutator to produce direct current. It is categorized as a form of alternator, ...

-electric generators. In 1903 there were further changes when the lantern and light on the western tower were removed, and a large four-panel rotating optic (designed by Thomas Matthews and manufactured by Chance Brothers) was installed in the eastern tower; it was announced that this 'new revolving light of very great power' would be 'visible at a distance of between 40 and 50 miles'. In 1908 a new pair of sirens were installed (sounding out to sea through twin 'trumpets' on the roof of the engine house) and a trio of Hornsby oil engines replaced the caloric engines . Soon afterwards an underwater bell was set up two miles south of the Lizard, operated by an electric striker controlled from the lighthouse via a submarine cable. A carbon arc lamp continued to provide the light source until it was superseded in 1926 by an electric filament lamp, which enabled a reduction in the number of personnel at the lighthouse from five to three.'Lighthouses' in ''Encyclopaedia Britannica'', 1961 edition, volume 14. The new lighting system, designed and installed by the

General Electric Company The General Electric Company (GEC) was a major British industrial conglomerate involved in consumer and Arms industry, defence electronics, communications, and engineering. It was originally founded in 1886 as G. Binswanger and Company as an e ...

, functioned automatically: a lamp changer was provided which would switch to a reserve electric or emergency acetylene lamp in the event of a bulb or power failure; and an automatic winding device was fitted to the clockwork mechanism that rotated the lenses.

Transformer In electrical engineering, a transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple Electrical network, circuits. A varying current in any coil of the transformer produces ...

s were introduced in the engine room to allow the 40-year-old magnetos to remain in use, along with the Hornsby engines. The engines and magneto generators continued in daily use until 1950, when the lighthouse was connected to

mains electricity Mains electricity, utility power, grid power, domestic power, wall power, household current, or, in some parts of Canada, hydro, is a general-purpose Alternating current, alternating-current (AC) electric power supply. It is the form of electri ...

. In that year four Gardner diesel engines were installed, three to run compressors for the fog signal, the other linked to a pair of generators for use in the event of a mains

power failure A power outage, also called a blackout, a power failure, a power blackout, a power loss, a power cut, or a power out is the complete loss of the electrical power network supply to an end user. There are many causes of power failures in an el ...

. In March 1954 the lighthouse keeper and assistants were able to put out a fire that was started in the exhaust pits of the engines providing the electric power. The clockwork drive, used to rotate the optic, was replaced with an electric motor in 1972. In 1998, Lizard Lighthouse was automated and demanned. The fog horn was decommissioned in 1998 and replaced with an automatic electronic fog signal; at the time it was the last compressed-air fog signal still in use in the United Kingdom. As of 2022 the rotating optic continues in use for the light.

Lighthouse Heritage Centre

Opened in 2009 with a grant from the

Heritage Lottery Fund The National Lottery Heritage Fund, formerly the Heritage Lottery Fund (HLF), distributes a share of National Lottery funding, supporting a wide range of heritage projects across the United Kingdom. History The fund's predecessor bodies were ...

, the Lizard Lighthouse Heritage Centre is located in the lighthouse engine room, which still features some of the original engines. Interactive exhibits and displays focus on the history of the lighthouse, the life of a lighthouse keeper, and the role of lighthouses in sea safety. Currently, the buildings around the site are being used as holiday cottages. As of 2023 the heritage centre was closed 'with no signs of it reopening'.

Original machinery

One of the lighthouse's old magneto-electric generators is now in the collection of

Thinktank, Birmingham Science Museum Thinktank, Birmingham (formerly known as simply Thinktank) is a science museum in Birmingham, England. Opened in 2001, it is part of Birmingham Museums Trust and is located within the Millennium Point (Birmingham), Millennium Point complex on ...

.Birmingham Museums Trust accession record 1954S00295 The other is still ''in situ'' in the engine house; it carries a plate marked: The carbon arc lamp, which served as the light source from 1903 to 1926, is also preserved within the lighthouse. After the compressed-air foghorn was decommissioned its machinery was left in place and it was still occasionally sounded to mark special occasions. Prior to the opening of the Heritage Centre two of the four Gardner engines were removed (one with its attached compressor, the other with its attached generator); they were subsequently acquired by the Internal Fire Museum of Power in Wales. The other two compressor sets remain in place in the engine room.

Gallery

References

External links