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4 corrections, most recently by SheffieldPark - Show corrections

LlGHTHOUSE ON ROTTNEST ISLAND.

A revolving catopric light will be exhibited   from the Lighthouse near the centre of Rottnest Island, on and after the night of 1st June, 1851, during the period between sunset and

sunrise.

The Lighthouse is a white stone tower, 53 feet in height, erected on the summit of the island, and is surmounted by a lantern 11 feet high.

The light will consist of two groups of three   powerful lamps each ; the whole revolving once   in two minutes, and showing a flash of light of five seconds' duration every minute, with intervals of 55 seconds of darkness. The centre of   the light is 197 feet above high water level, and at the height of 18 feet may be seen in clear weather at a distance of 7 leagues.  

Rottnest Lighthouse is in latitude 32 degrees 0 minutes 19 seconds South, longitude 115 degrees 31 minutes 18 seconds East from Greenwich,   and stands 3 miles North 75 degrees East     by compass from the West extremity of the Island, and 23 miles West by compass from its

East extremity.

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