Topographic Map of the City of Oporto reduced from the one that was ordered to be done on the Scale of 1: 500 by order of the Municipal Chamber of the same City referred to the year 1892. Directed and done by Reformed Brigadier General Augusto Geraldo Telles Ferreira assited by Cavalry Captain Fernando da Costa Maya and more Employees. Topographic map, printed lithographically on paper, representing the city of Oporto, formed by 6 loose stripe sheets Portuguese frame with acid-free K-line back and special museum acrylic Dimensões (altura x comprimento x largura) - (carta) 135 x 254 cm; (moldura) 176 x 274 cm