Eilean Musdile (Mansedale) is an islet, and
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 ...
to the south west of
Lismore in the
Inner Hebrides
The Inner Hebrides ( ; ) is an archipelago off the west coast of mainland Scotland, to the south east of the Outer Hebrides. Together these two island chains form the Hebrides, which experience a mild oceanic climate. The Inner Hebrides compri ...
.
The island lies in the entrance to
Loch Linnhe, separated from Lismore by a sound ¼ miles across.
It is a low-lying rock, in size,
[ with some grass on it. CalMac ferries pass close to the island on their way from Oban to Mull.
The lighthouse was built by Robert Stevenson in 1833 at a cost of £4260 and initially showed a fixed white light.][ In 1910 most of the Northern Lighthouse Board's lights were changed to dioptric or ]Fresnel lens
A Fresnel lens ( ; ; or ) is a type of composite compact lens (optics), 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 Dioptrics, d ...
es but Lismore and Fidra, in the Firth of Forth
The Firth of Forth () is a firth in Scotland, an inlet of the North Sea that separates Fife to its north and Lothian to its south. Further inland, it becomes the estuary of the River Forth and several other rivers.
Name
''Firth'' is a cognate ...
, were left as the only remaining purely catoptric lights in the service.[
A Standing Stone once stood on the highest point of the island (). The monolith appears to have recorded the midwinter sunset and is thought to have been removed during construction of the lighthouse.]
See also
* List of lighthouses in Scotland
* List of Northern Lighthouse Board lighthouses
Footnotes
External links
Northern Lighthouse Board
Lismore, Scotland
Category A listed lighthouses
Archaeological sites in the Northern Inner Hebrides
Lighthouses of Scottish islands
Works of Robert Stevenson (civil engineer)
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