Pierres Noires ( "Black Rocks") lighthouse, built between 1867 and 1871 is located at sea on Conquet city limits, Finistère district.
It secures and lights Saint Mathieu fore land and path since May 1st 1872.
The original signal was a red flash , 10 seconds interval.
In 1872 mineral oil was used as light fuel, then lamp-oil vapors in 1903, electricity was used as from 1984.
Automated since 1992, it is remotely controlled from Créac'h lighthouse (Ouessant Island).
Source Wikipédia
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1867 and 1871 |
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26 meters (85 feet) |
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30,5 meters (100 feet) |
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19,5 nautical miles (22 miles)
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Constant red flashes , 5 seconds interval |
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1/4 lens , 50 cm ( 20 inches) focal length. |
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Halogen 250 W
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ELAC-ELAU 2200 vibrator ( 2 sounds , 60 seconds interval) |
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No |
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No |
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1992 |
Screenshots (click thumbnail to enlarge)
 
 
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