The Tyne Turrets were two 12-inch Mk VIII guns from the

battleship A battleship is a large, heavily naval armour, armored warship with a main battery consisting of large naval gun, guns, designed to serve as a capital ship. From their advent in the late 1880s, battleships were among the largest and most form ...

HMS ''Illustrious'', installed in Roberts Battery at

Hartley Hartley may refer to: Places Australia *Hartley, New South Wales * Hartley, South Australia ** Electoral district of Hartley, a state electoral district Canada * Hartley Bay, British Columbia United Kingdom * Hartley, Cumbria * Hartley, P ...

, near Seaton Sluice north of the

Tyne Tyne may refer to: __NOTOC__ Geography *River Tyne, England *Port of Tyne, the commercial docks in and around the River Tyne in Tyne and Wear, England * River Tyne, Scotland *River Tyne, a tributary of the South Esk River, Tasmania, Australia Peopl ...

, and Kitchener Battery in Marsden near Lizard Point south of the river. The batteries were planned in

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

but only commissioned in 1921, and after a change of heart scrapped in 1926. This very heavy armament was only rivalled by the

Dover Dover ( ) is a town and major ferry port in Kent, southeast England. It faces France across the Strait of Dover, the narrowest part of the English Channel at from Cap Gris Nez in France. It lies southeast of Canterbury and east of Maidstone. ...

harbour

Admiralty Pier Turret The Admiralty Pier Turret, or Dover Turret, is an enclosed armoured turret built in 1882 on the western breakwater of Dover Harbour in southeast England. It contains two Fraser RML 16 inch 80 ton guns, the biggest installed in the United Kingdo ...

at the time.

References

* Hogg, R., "The Tyne Turrets:coastal defence in the First World War", ''Fort'' (

Fortress Study Group The Fortress Study Group is a charity registered in the UK with an international membership. Its purpose is advancing the study of post-medieval artillery fortifications throughout the World. History The Fortress Study Group was formed in June 1 ...

), (12), 1984, pp. 97–104 * National Archives, Kew. Plans for Kitchener/Roberts Batteries WO 78.4973 and WO 78.4974 20th-century forts in England Buildings and structures in Northumberland Coastal artillery {{UK-mil-stub