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The Queenscliff High Light, also variously known as the Black Lighthouse, Fort Queenscliff Lighthouse or Shortland Bluff Light, stands in the grounds of Fort Queenscliff in Queenscliff, Victoria, Australia. It is one of three black lighthouses in the world, and the only one in the Southern Hemisphere. Together with the nearby white Queenscliff Low Light, it was built in 1862 to replace the former sandstone lighthouse of 1843 on the same site which was underpowered and deteriorating. The lightsource is located 40 metres above sea level (focal plane). Depending on the tower's bearing it emits either a fixed light or an occulting signal with an interval of 15 seconds. The black lighthouse is one of four in Queenscliff that are used as a leading line to guide ships through the notoriously dangerous mouth of Port Phillip Bay. ==History== There are several conflicting accounts of where the basalt for the building came from. One version states that it came from Scotland as a ships ballast. In another version, the stone was quarried in Melbourne and shipped to Queenscliff. The fact that the stone was shipped may have led to the former theory's conception.〔 The third version, according to current tour guides, is that the entire lighthouse was cut in Scotland, transported, and assembled on-site by numbers. The lighthouse was certainly designed in Scotland. Strangely, although Shortland's Bluff on which it is built is 20m or more above sea level, it was designed as a wave-washed lighthouse, with curved walls to deflect shock from waves, and with an entrance 5m above the base which is still visible. This entrance was used via a rope ladder for the first ten years until a ground-level door was cut. Fort Queenscliff was built around the lighthouse during the Australian Gold Rush after concerns that ships carrying gold might be susceptible to attack from privateers. The light was converted to gas in 1890, and then to electricity in 1924. It is supposed that the first public telephone service in Victoria was installed here. Today the lighthouse is unmanned and automated, and is serviced by the Port of Melbourne Corporation. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Queenscliff High Light」の詳細全文を読む スポンサード リンク
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