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288    FIELD GUNS, SIEGE GUNS,

         1914–1945  AND HOWITZERS                                       ▼ 2.75IN MOUNTAIN GUN  This was an improved



            The artillery pieces in use by 1914 were capable of inflicting
                                                                                               version of the tried-and-
                                                                        Date  1911
                                                                                               tested 10-pounder mountain
            casualties on an industrial scale. They ranged from mountain guns that
                                                                        Origin  UK
                                                                                               the barrel broke down into
         ARS   could be broken down quickly and carried by mules, and light guns such   Weight  1,290lb (585kg)  gun. For transportation,
            as the 18-pounder quick-firer—which were used on the battlefield rather
                                                                                               two sections and the rest
                                                                        Length  6ft (1.84m)
                                                                                               of the gun into a further
            than fired from a dug-in position—to howitzers such as the British
                                                                        Caliber  2.75in
                                                                                               three. It could be carried
            Army’s 9.2in Mark I. The latter arrived in France early in 1915 and
                                                                        Range  3.41 miles (5.5km)
                                                                                               by six mules, or towed.
         ORLD W  became the most effective counter-battery weapon of the war, capable
            of hurling a 290lb (130kg) high-explosive shell to a distance of more
                 1
            than 5 ⁄2 miles (9km). Guns mounted on railway tracks that
            could reach a target more than 25 miles (40km) away
         THE W  were used for long-range bombardment.
                            Barrel elevated to 35°
                              on wheeled carriage,
                             70° on siege platform             Barrel could be
                                                               depressed to -15° and
                                                               elevated to +22°
                 Elevation
                 handwheel
                                                           Recoil recuperator
                                                           had twin springs
                                                                                             Recoil
                                                              ◀ 6IN (30CWT) HOWITZER
                                                                                          recuperator
                                                              Date  1896
                                                              Origin  UK
                                                              Weight  3.86 tons (3.5 tonnes)
                                                              Length  7ft (2.13m)
                                                              Caliber  6in
                                                              Range  4.28 miles (6.9km)
                                                              The 6in howitzer could be fired
                                                              as a siege gun on a static siege
                                                              platform or on a field carriage. It
                                                              was employed by the British Army
                                                              during the Second Boer War and in
                                                              the early months of  World War I.
                                      Wheels could be detached,
                                       and the gun fired from a
                                        built-in “siege platform”
                      Recuperator wrapped
                      with rope                          Goniometric sight
                                                         for indirect fire

                                                                Gun captain to
                                                             traverse the weapon
                                                                                              Recoil
                                                                                           recuperator






                                                              Single-pole trail




                                                              ▶ 9.2IN SIEGE          This was the Allies’ most
            ▲ 18-POUNDER QF MARK II  The standard British field gun    HOWITZER MK I  effective counter-battery
            Date  1904             for almost four decades, the   Date  1914         weapon, destroying enemy
                                   18-pounder was first introduced                   artillery from concealed
            Origin  UK                                        Origin  UK
                                   in 1904. It fired a wide variety                  positions well behind the
            Weight  1.41 tons (1.28 tonnes)  of projectiles, including high   Weight  13.2 tons (12 tonnes)  fighting front. More than
            Length  7 ⁄4ft (2.34m)  explosive, shrapnel, gas, and   Length  11ft (3.4m)  650 were employed on
                   3
                                   armor-piercing rounds. Its                        the Western Front by the
            Caliber  3.3in                                    Caliber  9.2in
                                   six-man crew could fire 20 rounds                 British and US armies.
            Range  3.72 miles (6km)  per minute for short periods.   Range  5.71 miles (9.2km)
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