Wyld’s New Plan of Paris: its Forts, Fortifications and Defences published by James Wyld, London September 13th 1870. On folding line in 21 sections, size 84 by 60 cm. Scale 1;25,000. Some colour. Also titled Wyld’s Plan of the Fortifications of Paris, showing the Forts, Communications and Horizontal Curves of the Ground from a Survey published by the Prefect of the Department of the Seine. Heights shown by contours. A detailed snapshot of Paris at a fascinating period of history. Folds into original boards with the Wyld label to front. Vg to Mint condition.