London: Charles Knight & Co. 1843. J. & C. Walker. unbound. Map. Steel engraving with original color outline. Image measures 13.75" x 9.5" very good.
Classic map of Portugal showing geographical features and major routes. Minor aging along edges. 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.