LIGHTHOUSE SYSTEM IN JAPAN
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One of the Japanese lighthouses designed by Richard Henry Brunton is the Kashinozaki Lighthouse on the island of Kii Ōshima in Wakayama Prefecture. It was built in 1870. The original second order Fresnel lens is still in use today. -- see Wikipedia "Kashinozaki Lighthouse" https://en.wikipedia.org/wiki/Kashinozaki_Lighthouse; and see "Fresnel lens" https://en.wikipedia.org/wiki/Fresnel_lens
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In 2010, the optical Instruments of this lighthouse were officially designated part of Japan's mechanical engineering heritage. This apparatus was the heart of the first of eight Japanese lighthouses with rotating flashing lights. -- see Wikipedia "Mechanical Engineering Heritage (Japan)"
https://en.wikipedia.org/wiki/Mechanical_Engineering_Heritage_(Japan)#Collection_2
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QUESTION: I wonder why this specific lighthouse was the first using a rotating flashing light? My best guess is that the explanation isn't about hidden rocks in shallow waters close to shore.
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QOTO = Question Others to Teach Ourselves?