MANUSCRIPT: FRENCH MILITARY RECONNAISANCE AND FORTIFICATIONS 'Reconnaissance Militaire de la Route de Bourg-Madame au col de Riga par Saillagousse, Departement des Pyrenees Orientales, Faisant partie de la Route de Puycerda a Mont-Louis', comprising 55 diagrams and tables within a neatly written text, offering a 'Description Physique' of the region, local geography, description of inhabitants and their towns and villages with emphasis on the military aspects and defensibility of the area. Also providing an illustrated study of fortifications, their construction and maintenance, use of natural and artificial features etc., Part leather binding with blue marbled boards and gilt embossed spine, scuffed and worn as shown. Text sound, neatly handwritten and contained in period commonplace book of black quarter morocco gilt, blue marbled boards, small 8vo. Pencil inscription on front pastedown. Pages: [2], 15p, [1], 124p, [13] (blank pages) 55 diagrams and tables