GWR; Great Western Railway; George Jackson Churchward; Boilers; Valves; GWR 4-6-0; De Glehn Compound; 4-4-2 Atlantic; Star Class; Scissors Valve Gear; L&NWR; London and North Western Railway; WWII; LNER; London and North Eastern Railway; LMSR; London Midland and Scottish Railway; Castle Class; Cheltenham Spa Express; King Class; Shrivenham Collision; 1948 Locomotive Exchanges; railway preservation; William Dean; Swindon; steam engine; Belpaire locomotive firebox; 5043 Earl of Mount Edgecumbe; R.M. Deeley; Lode Star; North Star; Dog Star; Evening Star; Morning Star; Polar Star; Red Star; Rising Star; Royal Star; Shooting Star; Western Star; Swallowfield Park; Knight of the Garter; Knight of the Thistle; Knight of the Patrick; Knight of the Bath; Knight of St. John; Knight of the Golden Fleece; Knight of the Black Eagle; Knight of Liège; Knight of the Grand Cross; Knight Templar; Knight Commander; William Stanier; Caerphilly Castle; Caldicot Castle; Cardiff Castle; Carmarthen Castle; Chepstow Castle; Pembroke Castle; Pendennis Castle; Powderham Castle; Warwick Castle; Windsor Castle; Midgham derailment; King Edward VII; King William IV; King George IV; King George III; King George II; King George I; King William III; King James II; King Charles II; King Charles I; King James I; King Edward VI; King Edward VIII; King Henry VII; King Richard III; King Edward V; King Edward IV; King Henry VI; King Henry V; King Henry IV; King Richard II; King Edward III; King Edward II; King Edward I; King Henry III; King John; King Richard I; King Henry II; King Stephen; steam locomotive; British Railways; Shakespeare Express; The Bristolian; Cornish Riviera Express; Cheltenham Flyer