2017
SW7011 : The Lizard Lighthouse Foghorn
taken 7 years ago, near to Lizard, Cornwall, England
The Lizard Lighthouse Foghorn
The Lizard Foghorn comprises two diaphone horns operated by compressed air, nowadays electrically operated giving one three second blast every thirty seconds when air moisture exceeds a certain figure. Originally it was operated by a steam compressor, changed to diesel operation after 1907.
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