�Aberystwyth�, GWR poster, 1923-1947. [Getty Images]

UNITED KINGDOM - MARCH 09: Great Western Railway poster. Artwork A E Martin. (Photo by SSPL/Getty Images) — see more

UNITED KINGDOM - MARCH 09: Great Western Railway poster. Artwork A E Martin. (Photo by SSPL/Getty Images)

SSPL Science & Society Picture Library