Blondel (J.F.) Cours d'Architecture..., vol.1-4 of text only (of 6 vol. text and 3 vol. plates), half-titles, lightly browned, name erased on half-titles or facing leaf sometimes causing hole, contemporary mottled calf, spines gilt, a little worn, some joints split, Desaint, 1771-73 § Sganzin (M.J.) École Impériale Polytechnique. Programmes ou Résumés des Leçons du Cours de Construction, second edition, half-title, 9 folding engraved plates, one a little browned, old ink library stamps to title and one or two other leaves, later cloth, 1809 § Prony (G.-.C.-F. R. de) Instruction-Pratique sur une Méthode pour Déterminer les Dimensions des Murs de Revêtement, 12pp., large folding engraved graph (detached), disbound, An X [1810] § Fourcy (A.) Histoire de l'École Polytechnique, half-title, some foxing, pencil inscription and old ink library stamp on title, modern cloth, 1828 § Delmas (?F.) École Centrale des Arts et Manufactures: Architecture et Constructions Civiles, plates only, no title, 48 double-page plates mounted on stubs, contemporary roan-backed boards, spine faded, [c.1890], rubbed, Paris; and another, 8vo & 4to (9)