(Greek mythology: Ajax) GWR Mather, Dixon 2-2-2 (1838 - 1840) GWR Premier class 0-6-0 (1846 - 1871) SDR Dido class 0-6-0ST (1860 - 1884) Alexander (Famous personality: Alexander II of Russia) GWR Victoria class 2-4-0 (1856 - 1878) Aligator (Powerful animal: Alligator) GWR Pyracmon class 0-6-0 (1848 - 1873) Alma (British battle: Battle of Alma) GWR Iron Duke class 4-2-2 (1854 - 1872) GWR Rover class 4-2-2 (1880 - 1892) Amazon (Mythical peoples: Amazons) GWR Iron Duke class 4-2-2 (1851 - 1877) GWR Rover class 4-2-2 (1878 - 1892) Amphion (Greek mythology: Amphion) GWR Standard Goods 0-6-0 (1856 - 1877) Antelope (Fast animal: Antelope) GWR Sun class 2-2-2 (1841 - 1870) SDR Eagle class 4-4-0ST (1859 - 1884) Antiquary (Literature: The Antiquary) GWR Waverley class 4-4-0 (1855 - 1876) Apollo (Greek mythology: Apollo) GWR Charles Tayleur 2-2-2 (1838 - 1867) Aquarius (Zodiac: Aquarius) GWR Leo class 2-4-0 (1842 - 1870) Arab (Classical peoples: Arab) GWR Fire Fly class 2-2-2 (1841 - 1870) Ariadne (Greek mythology: Ariadne) GWR Standard Goods 0-6-0 (1852 - 1879) Ariel (Biblical: Ariel) GWR Mather, Dixon 2-2-2 (1838 - 1840) Aries (Zodiac: Aries) GWR Leo class 2-4-0 (1841 - 1871) Argo (Greek mythology: Argo) GWR Premier class 0-6-0 (1846 - 1855) SDR Dido class 0-6-0ST (1863 - 1892) Argus (Greek mythology: see Argo) GWR Fire Fly class 2-2-2 (1842 - 1873) Arrow (Speed: Arrow) GWR Fire Fly class 2-2-2 (1841 - 1864) Assagais GWR Sun class 2-2-2 (1841 - 1875) Atlas (Greek mythology: Atlas) GWR Sharp, Roberts 2-2-2 (1838 - 1872) SDR Dido class 0-6-0ST (1863 - 1885) Aurora (Greek mythology: Aurora) GWR Sun class 2-2-2 (1840 - 1866) SDR Comet class 4-4-0ST (1852 - 1878) Avalanche (Power: Avalanche) GWR Banking class 0-6-0ST (1846 - 1865) Avon (Geography: River Avon) GWR Standard Goods 0-6-0 (1857 - 1877) Avonside (Engineer: see Avonside Engine Company) GWR Hawthorn class 2-4-0 (c.1865 - 1892) Azalia (Flower: Azalea) GWR Metropolitan class 2-4-0T (1864 - 1872) B Bacchus (Roman mythology: Bacchus) GWR Charles Tayleur 2-2-2 (1837 - 1842) Balaklava (British battle: Battle of Balaklava) GWR Iron Duke class 4-2-2 (1854 - 1871) GWR Rover class 4-2-2 (1871 - 1892) Banshee (Irish mythology: Banshee) GWR Standard Goods 0-6-0 (1854 - 1879) Barum NDR 2-2-2- (1855 - 1870) Bath (Geography: Bath) GWR Swindon class 0-6-0 (1866 - 1874) Bee (Insect: Bee) GWR Metropolitan class 2-4-0T (1862 - 1874) Behemoth (Biblical: Behemoth) GWR Pyracmon class 0-6-0