page_title: Cromer Lighthouse
section_title: The present lighthouse
hierarchical_section_title: Cromer Lighthouse / The present lighthouse
caption_attribution_description: English: This is a detail taken from Admiralty Chart No 1455 England East Coast Sheet IV From Cromer To Trusthorpe Surveyed By Captn. Hewett R.N., Published 1843.jpg, showing the surviving old Cromer Lighthouse tower of 1719 (left) alongside its 1833 replacement (right). The promontory known as Foulness had suffered a series of collapses due to shore erosion, threatening the old lighthouse and prompting the construction of a replacement further inland. As things turned out, the old lighthouse survived for more than three decades after the completion of the new, finally succumbing to the sea in 1866.
context_page_description: Cromer Lighthouse is situated in the coastal town of Cromer, in the English county of Norfolk.
context_section_description: With the expected destruction of the old lighthouse, plans to build a new lighthouse had been put into place long before the loss of 1866. 
  The present lighthouse was built half of a mile from the cliff edge (although it is now much closer), and came into operation in 1833. It is constructed of masonry and the tower is octagonal in shape and is 59 feet (18 m) tall. When built, the tower was topped by a much larger lantern than at present; it contained a revolving three-sided array of 30 oil lamps (ten on each side, each mounted within a parabolic reflector), which consumed around 1,100 imperial gallons (5,000 l; 1,300 US gal) of oil annually. The optical apparatus took three minutes to complete a full revolution, so the lighthouse continued to display one flash per minute; it was said to be visible up to a distance of 27 nautical miles (50 km; 31 mi).
  By 1897 the equipment in the lantern had been upgraded: it now contained fourteen mineral oil lamps and reflectors, arranged in two divisions on either side of a frame which revolved on its vertical axis; it made a full revolution every two minutes (so preserving the lighthouse's characteristic of one flash every minute) and had a range of 27 miles.
caption: The new lighthouse (right) pictured alongside the remains of the old (left) on an Admiralty Chart of 1843.
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