Nant y Glo, Monmouthshire, Wales, c 1835.
© Science Museum / Science & Society Picture Library
Engraving by S Lacey, after H Gastineau, showing the ironworks of Nant y Glo at night. The works are shown in the background with smoking chimneys partially obscuring the moon. In the foreground a man on horseback crosses a small bridge over a river.