Pillet, Jules. Traité De Géométrie Descriptive. Ligne Droite Et Plan. Polyèdres. Surfaces. Texte Et Dessins: Cours De Sciences Appliquées Aux Arts. . Delagrave, 1887. Quarter Leather: Good Ex-Library. A good, solid copy. There is some scuffing to the covers; the leaves are tanned at the edges and somewhat brittle. There are a short tears on the edge in the margin.