TRINCANO, Didier Grégoire.

A complete treatise on arithmetic for the use of the military school of the company of Light-Horses of the King's Ordinary Guard, of the pages of His Majesty's Chamber, of those of the Queen, of Monsieur, and of those of Monseigneur le Comte and Madame la Comtesse d'Artois. Paris, Cellot, Musier ; Versailles, Blaisot, 1781. 1 vol. in-8. Contemporary red morocco, gilt arms in the centre of the boards, triple fillet with fleurons in the corners, spine ribbed and decorated, green morocco title-piece, piece indicating the name of the author in red morocco. Original edition. The work is illustrated with two folding plates engraved in intaglio (diagrams). >Copy in red morocco with the coat of arms of Marie-Joséphine-Louise-Bénédicte de Savoie (1753-1810), wife of the Count of Provence, future Louis XVIII. O.H.R. pl. 2549, iron no. 5. Rubbing to the spine, wear to the corners.