London: Chapman & Hall, 1844.
Map. Engraving with original hand outline. Image measures 12.25" x 15".
Clear and detailed town plan, from 1844, with beautiful panoramic view below titled "View of Oporto from Torre da Marca" and an inset showing the environs of Oporto. The Society for the Diffusion of Useful Knowledge was formed in 1826 and published low cost maps with the goal of reaching a large market, while still maintaining high quality and precision.
Illustrator: J. Henshall