The King and Queen of Persia, c 1810-1829.
© Science Museum / Science & Society Picture Library
Engraving showing 'The King of Persia, attended by his Master of Ceremonies, and one of the Ladies of the Harem'. The historic region of Persia roughly corresponds to modern Iran. Illustration from 'Encyclopaedia Londinensis, or, Universal Dictionary of Arts, Sciences, and Literature' published in London, 1810-1829.