
Four cylinder compound 4-6-2 number 504, built by Henschel (20438/1925), stands alongside sister engine number 560 (Hen 19889/1924) in Barreiro shed yard on 5/5/1964. Photo John Champion

Four cylinder compound 4-6-2 number 504, built by Henschel (20438/1925), stands alongside sister engine number 560 (Hen 19889/1924) in Barreiro shed yard on 5/5/1964. Photo John Champion