[Navy]. Reunion of 4 bound 18th and 19th century works on the navy: - BEZOUT (Etienne). Traité d'arithmétique à l'usage de la marine et de l'artillerie. Paris, Vve Courcier, 1816. In-8, half basane with ornate smooth spine. 8th edition with notes by A. A. L. Reynaud. Binding worn, spine very rubbed with major leather losses, some foxing. - BEZOUT (Etienne). Traité d'arithmétique à l'usage de la marine et de l'artillerie. Paris, Vve Courcier, 1816. In-8, half basane with ornate smooth spine. 14th edition with notes by A. A. L. Reynaud. Binding worn with a lack of leather. - BOUGUER (Pierre). Traité complet de la navigation. Paris (Nantes), P. de Heuqueville et chez l'auteur, 1706. In-4, stiff muted vellum. Second enlarged edition, opening with an engraved frontispiece and illustrated with 11 beautiful large folding plates, including the plate of the reduction quarter still with its thread. Traces and small losses to the binding, inscriptions on the endpapers, large halos and slightly foxed pages, other minor defects. - DULAGUE (Vincent-François-Joseph-Noël). Leçons de navigation. Rouen, Veuve Besongne & J. J. Besogne, 1768. In-8, marbled fawn basane, spine ribbed and decorated. First edition opening with an allegorical engraved frontispiece title page featuring Neptune and ships. The text is illustrated with 8 folded plates. Binding rubbed, accident to a headpiece, one corner dulled, light brown spots and halos, paper missing from endpaper.