Traité de mécanique rationnelle.

Delaunay, M. Ch.

Victor Masson / Langlois & Leclercq, Paris, 1856

Half cloth hardcover. iv,620 pp.; 22x14.5 cm. Text in French / Français. - (edges first 100 pp. with small (water)stain, paper bit browned, some foxing) Although still (very) good, see picture