==References====External links== Vuigner, Emile. Mémoire relatif aux travaux exécutés pour l'établissement de l'embranchement du camp de Chalons (Atlas). 4 Bl. With 18 double-leaf stinged plates. 34,5 x 28 cm. Dark green chagrin leather band d. Z. (Minimum impact on corners, lower capital with small flaw, the joints there weakly burst) with ornamental gold plated gold plated title, wide ornamental lid fillets with coat of arms superlibos by Napoleon III., double standing edge fillets, inner edge border and gold cut. Paris, Dunod, 1863. Not with Engelmann and Metzeltin. – Rare architectural documentation about the construction of various railway bridges on and in the region of the troop training area of Camp de Châlons near Châdons-en-Champagne, a 10,000 hectare military site, built on behalf of Napoleon III and built on 30 June. It was officially opened in 1857 and served as the venue for shooting competitions at the 1924 Summer Olympics in Paris. The Parisian engineer Emile Vuigner (1798-1865) was involved in the construction of various bridge and railway lines during the Second French Empire, including the Clignon Canal Bridge and the Paris-Est-Nancy Railway. In addition to the detailed construction plans, it also contains a general map of the Parade Area with its surroundings. – A little patchy. Personal specimen for the client Napoleon III (1808-1873) in the magnificent coat of arms cover from his private library.