'This electrical plant on the LNER automatically cools "The Flying Scotsman" in six minutes'. Poster produced by London & North Eastern Railway (LNER). Artwork by Frank Newbould (1887-1951), who studied at Bradford College of Art and joined the War Office in 1942. He also designed posters for the GWR (Great Western Railway), Orient Line and Belgian Railways.
© NRM / Pictorial Collection / Science & Society Picture Library