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Cape Naturaliste, in the south west of Western Australia, is the site of a lighthouse which was activated in 1904.[1]
 Cape Naturaliste Lighthouse | |
 | |
| Location | Cape Naturaliste, Western Australia, Australia |
|---|---|
| Coordinates | 33°32′14.4″S 115°01′07.3″E / 33.537333°S 115.018694°E |
| Tower | |
| Constructed | 1904 |
| Construction | Limestone tower |
| Height | 20 m (66 ft) |
| Shape | Cylindrical tower with balcony and lantern |
| Markings | White tower and lantern |
| Operator | Australian Maritime Safety Authority |
| Light | |
| Focal height | 123 m (404 ft) |
| Lens | 1st order Chance Brothers Fresnel lens |
| Intensity | 930,000 cd |
| Range | 25 nmi (46 km) |
| Characteristic | Fl W (2) 10 s |
| Official name | Cape Naturaliste Lighthouse and Quarters |
| Designated | 17 April 2003 |
| Reference no. | 2914 |
It is a 20-metre-high (66 ft) cylindrical tower built of limestone that still uses its original first order Fresnel lens made by Chance Brothers. The light characteristic is "Fl. (2) 10 s",[This quote needs a citation] i.e. a group of two flashes every ten seconds, the focal plane is at 123 metres (404 ft) above sea level. Another precious lens optic is displayed there, the second order Fresnel lens of the Jarman Island Light, as well as the original Great Sandy Islands beacon. Both items were originally used on the Pilbara coast further north.
The lighthouse is constructed of limestone quarried from nearby Bunker Bay, which was also known as the Quarries.
See also
edit
General references
edit- "The Cape Naturaliste Lighthouse". Lighthouses of Western Australia. Lighthouses of Australia Inc.
References
edit- ^ "Opening Cape Naturaliste Lighthouse". The South-Western News. Busselton, Western Australia: National Library of Australia. 8 April 1904. p. 4. Retrieved 7 December 2015.
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