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  2. LNER Class V2 - Wikipedia

    en.wikipedia.org/wiki/LNER_Class_V2

    The London and North Eastern Railway (LNER) Class V2 2-6-2 steam locomotives were designed by Sir Nigel Gresley for express mixed traffic work, and built at the LNER shops at Doncaster and Darlington between 1936 and 1944. The best known is the first of the class, 4771 (later 800 and 60800) Green Arrow, which is the sole survivor of the class.

  3. LNER locomotive numbering and classification - Wikipedia

    en.wikipedia.org/wiki/LNER_locomotive_numbering...

    10000. Experimental Class W1 locomotive (retained 1924 number) 4-6-4. In each class, individual engines were numbered in order of construction (with a small number of exceptions, most notably the ' A4 ' class where locomotives carrying the names of the LNER's directors were given 'significant numbers' 1-4).

  4. LNER Class V2 4771 Green Arrow - Wikipedia

    en.wikipedia.org/wiki/LNER_Class_V2_4771_Green_Arrow

    The LNER Class V2 2-6-2 steam locomotive, number 4771 Green Arrow was built in June 1936 for the London and North Eastern Railway (LNER) at Doncaster Works to a design of Nigel Gresley. The first-built and sole surviving member of its class, it was designed for hauling express freight and passenger trains [2] and named after an express freight ...

  5. List of naval ship classes in service - Wikipedia

    en.wikipedia.org/wiki/List_of_naval_ship_classes...

    Operators: Belgian Navy: 5 of 10 delivered from 1985 remain in service as the Aster class (3 sold to France, 1 to Bulgaria, 1 to Pakistan) Bulgarian Navy: 1 in service. French Navy: 13 in service as the Eridan class. Indonesian Navy: 2 in service as the Pulau Rengat class. Latvian Naval Forces: 5 in service.

  6. HIV: Antiretroviral Therapy (ART) - Types, Brand Names, How ...

    www.webmd.com/hiv-aids/aids-hiv-medication

    This is a new class of drugs that works by blocking the HIV-1 virus’ protein shell known as the capsid. Lenacapavir has a starting dose as oral tablets and subcutaneous injections, followed by ...

  7. List of sailing boat types - Wikipedia

    en.wikipedia.org/wiki/List_of_sailing_boat_types

    Keelboats & yachts. Multihulls. See also. Notes. References. List of sailing boat types. Appearance. A Windmill sailing dinghy. The following is a partial list of sailboat types and sailing classes, including keelboats, dinghies, and multihull (catamarans and trimarans).

  8. UL 94 - Wikipedia

    en.wikipedia.org/wiki/UL_94

    UL 94, the Standard for Safety of Flammability of Plastic Materials for Parts in Devices and Appliances testing, is a plastics flammability standard released by Underwriters Laboratories of the United States. [1] The standard determines the material's tendency to either extinguish or spread the flame once the specimen has been ignited.

  9. Gresley conjugated valve gear - Wikipedia

    en.wikipedia.org/wiki/Gresley_conjugated_valve_gear

    LNER Class V2 4771 Green Arrow.Note Gresley conjugated valve gear located ahead of the piston valves, driven from the valve spindles. The Gresley conjugated valve gear is a valve gear for steam locomotives designed by Sir Nigel Gresley, chief mechanical engineer of the LNER, assisted by Harold Holcroft.