77/1790 [Civil engineering]. Brisson, B. and Dupuis de Torcy, P.-L. Essai sur le système général de navigation intérieure de la France; suivi d'un essai sur l'art de projeter les canaux a point de partage. Paris, Carilian-Goeury, 1829, (4),XXVIII,172p., large fold engr. map w. handcol. indication of roads, contemp. wr., 4to.

- Foxed; the map sl. yellowed. Backstrip partly worn off.

= Concept design for a canal system linking the five main rivers and cities in France.