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The British Polar Engines Diesel Motors of the Oberon-class submarine HMS Ocelot. The engines charged the batteries for the silent electric propulsion of the ship. HMS Ocelot is now a museum ship in Chatham Dockyard. British Polar Engines manufactures, supplies and installs medium speed marine diesel engines and industrial generating sets ...
The harbour defence motor launch (HDML) was a 72 ft (22 m) long British-designed motor vessel used for harbour defence during World War II. Nearly 500 were built by numerous Allied countries during the war. The HDML was designed by W J Holt at the Admiralty in early 1939.
The Holmes' Marine Life Protection Association was a United Kingdom company set up in the 19th century to produce marine signal lights and foghorns. It was founded by Nathaniel John Holmes, a telegraph engineer from Middlesex; and it passed to his son Joseph R. Holmes. The company was taken over by Albright and Wilson in 1919.
The front cover of a List of Lights volume. A list of lights is a publication describing lighthouses and other aids to maritime navigation. Most such lists are published by national hydrographic offices. Some nations, including the United Kingdom and the United States, publish lists that cover the whole world in many volumes. Other nations ...
A motor launch (ML) is a small military vessel in Royal Navy service. It was designed for harbour defence and submarine chasing. Similar vessels were used by the Royal Air Force for armed high-speed air-sea rescue. Some vessels for water police service are also known as motor launches. Motor launches were slower than motor torpedo boats and ...
The first revolving light was fitted to the Swin Middle lightvessel in 1837. [citation needed] Tongue Tongue Sands 51°30′39″N 1°23′5″E [22] North Sea: Jenni Baynton, Light vessel no. 5 (1973) Lynn Well Trinity House: The Wash: Gull Stream, Light Vessel no. 89: Replaced with a Lanby in September 1973. Would Haisborough Sands: North Sea
In 1974, the Admiralty Ensign was renamed the Government Service Ensign (a.k.a. the Government Service Blue Ensign) and was flown by all Ministry of Defence-owned vessels that were not part of the Royal Navy, RFA or RMAS, as well as certain Government operated vessels for which no other ensign was appropriate.
In 1911 the British Admiralty purchased a diesel motor launch they had been evaluating for some time. By Sulzer standards this had a very small 4-cylinder two-stroke engine of just 100 bhp. The boat was only 60 foot long, and as part of its trials the engine had been successfully run on full power for a period of 24 hours, reaching over 10 knots.