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  2. St. Joseph North Pier Inner and Outer Lights - Wikipedia

    en.wikipedia.org/wiki/St._Joseph_North_Pier...

    St. Joseph was first platted in 1829, and the first lighthouse at the site, located on the shore, was built in 1832. Construction began on harbor piers in 1836, and by 1848 a beacon light had been established on the pier. The onshore lighthouse was replaced in 1859, and a new pierhead beacon was constructed on the south pier in 1870.

  3. Eddystone Lighthouse - Wikipedia

    en.wikipedia.org/wiki/Eddystone_Lighthouse

    The lighthouse was topped by a larger than usual lantern storey, 16 ft 6 in (5.03 m) high and 14 ft (4.3 m) wide; [21] the lantern was painted red. [38] It contained a six-sided biform (i.e. two-tier) rotating optic of the first-order, 12 ft 6 in (3.81 m) high and weighing over seven tons.

  4. Hexagon - Wikipedia

    en.wikipedia.org/wiki/Hexagon

    A truncated hexagon, t{6}, is a dodecagon, {12}, alternating two types (colors) of edges. An alternated hexagon, h{6}, is an equilateral triangle, {3}. A regular hexagon can be stellated with equilateral triangles on its edges, creating a hexagram. A regular hexagon can be dissected into six equilateral triangles by adding a

  5. Punta Borinquén Light - Wikipedia

    en.wikipedia.org/wiki/Punta_Borinquén_Light

    Punta Borinquén Light (Faro de Punta Borinquen) is a historic lighthouse located in the municipality of Aguadilla on the northwestern corner, known as Punta Borinquén, of the main island of Puerto Rico. [3] Situated on the grounds of the former Ramey Air Force Base, the station was established in 1889 by the Spanish government.

  6. White Shoal Light, Michigan - Wikipedia

    en.wikipedia.org/wiki/White_Shoal_Light,_Michigan

    The Michigan Lighthouse Conservancy is a state preservation society, and the Great Lakes Lighthouse Keepers Association is also based in the state. [25] [29] White Shoal Light is one of over 150 past and present lighthouses in Michigan. Michigan has more lighthouses than any other state. See Lighthouses in the United States. [30] White Shoal Light

  7. Yokohama Marine Tower - Wikipedia

    en.wikipedia.org/wiki/Yokohama_Marine_Tower

    Yokohama Marine Tower was inaugurated in 1961. The Marine Tower is billed "the tallest lighthouse in the world", [4] [5] although this depends on what lighthouses are considered. [6] In clear conditions, visitors can see Mount Fuji from the 100-metre high observation deck. On December 25, 2006, Marine Tower temporarily shut its doors.

  8. Lattice tower - Wikipedia

    en.wikipedia.org/wiki/Lattice_tower

    294.6 m 967 ft 3-sided Zhuzhou Television Tower: 1999 China Zhuzhou 293 m 961 ft solid core supported by 6-sided lattice frame Star Tower: 1991 United States Cincinnati, Ohio 290.8 m 954 ft Landmark tower design: Last lattice tower above 700 feet built in the United States WLWT TV Tower: 1978 United States Cincinnati, Ohio 289.6 m 950 ft 3-sided

  9. Hyperradiant Fresnel lens - Wikipedia

    en.wikipedia.org/wiki/Hyperradiant_Fresnel_lens

    The hyper-radial lens was made in 1885 by the F. Barbier Company in Paris as a test lens for the lighthouse illumination trials then going on at the South Foreland Lighthouse in the United Kingdom (UK). Chance Brothers Glass Company made their first hyper-radial lens in 1887 in the UK. [1]