The lighthouse became operational in 1817 after its lighting system had been repaired .
At the end of 1816 , the lighthouse looked like a conic 36 - metre - high stone tower with a wooden 3.3 - metre - high decagonal lantern .
The lighthouse became operational in 1817 after lighthouse 's lighting system had been repaired .
At the end of 1816 , the lighthouse looked like a conic 36 - metre - high stone tower with a wooden 3.3 - metre - high decagonal lantern .