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  2. QF 1-pounder pom-pom - Wikipedia

    en.wikipedia.org/wiki/QF_1-pounder_pom-pom

    Hiram Maxim originally designed the Pom-Pom in the late 1880s as an enlarged version of the Maxim machine gun.Its longer range necessitated exploding projectiles to judge range, which in turn dictated a shell weight of at least 400 grams (0.88 lb), as that was the lightest exploding shell allowed under the Saint Petersburg Declaration of 1868 and reaffirmed in the Hague Convention of 1899.

  3. QF 2-pounder naval gun - Wikipedia

    en.wikipedia.org/wiki/QF_2-pounder_naval_gun

    The first naval pom-pom was the QF 1.5-pdr Mark I, a piece with a calibre of 37 mm (1.46 in) and a barrel 43 calibres long. This was tested in the Arethusa -class light cruisers HMS Arethusa and Undaunted but did not enter full service, being replaced instead by a larger weapon, the QF 2-pdr Mark II (see below).

  4. 2-pounder gun - Wikipedia

    en.wikipedia.org/wiki/2-pounder_gun

    2-pounder gun, 2-pounder and QF 2 pounder or QF 2-pdr are abbreviations used for various guns which fired a projectile weighing approximately 2 pounds (0.91 kg). These include: These include: QF 2 pounder Mk II & Mk VIII "pom-pom" Vickers 40mm naval anti-aircraft autocannon of the First World War and the Second World War

  5. Ordnance QF 2-pounder - Wikipedia

    en.wikipedia.org/wiki/Ordnance_QF_2-pounder

    The Ordnance QF 2-pounder (QF denoting "quick firing"), or simply "2 pounder gun", was a 40 mm (1.575 in) British anti-tank gun and vehicle-mounted gun employed in the Second World War. It was the main anti-tank weapon of the artillery units in the Battle of France and, due to the need to rearm quickly after the Dunkirk evacuation , remained in ...

  6. QF 6-pounder Hotchkiss - Wikipedia

    en.wikipedia.org/wiki/QF_6-pounder_Hotchkiss

    The Ordnance QF Hotchkiss 6 pounder gun Mk I and Mk II or QF 6 pounder 8 cwt were a family of long-lived light 57 mm naval guns introduced in 1885 to defend against new, small and fast vessels such as torpedo boats and later submarines. Many variants were produced, often under license, which ranged in length from 40 to 58 calibres, with 40 ...

  7. Talk:QF 1-pounder pom-pom - Wikipedia

    en.wikipedia.org/wiki/Talk:QF_1-pounder_pom-pom

    There is anecdotal evidence that Africans first hearing it in South Africa referred to its sound as pom-pom. It might be difficult to verify that, but certainly it was referred to as a pom-pom by many sources from then on, and the term seems to have been used a generic label for (relatively) slow-firing automatic weapons such as its 2-punder ...

  8. Anti-aircraft warfare - Wikipedia

    en.wikipedia.org/wiki/Anti-aircraft_warfare

    Anti-aircraft warfare is the counter to aerial warfare [1] and includes "all measures designed to nullify or reduce the effectiveness of hostile air action". [2] It encompasses surface-based, subsurface (submarine-launched), and air-based weapon systems, in addition to associated sensor systems, command and control arrangements, and passive measures (e.g. barrage balloons).

  9. QF 18-pounder gun - Wikipedia

    en.wikipedia.org/wiki/QF_18-pounder_gun

    The Ordnance QF 18-pounder, [note 3] or simply 18-pounder gun, was the standard British Empire field gun of the First World War-era. It formed the backbone of the Royal Field Artillery during the war, and was produced in large numbers. It was used by British Forces in all the main theatres, and by British troops in Russia in 1919.