ARTILLERY. ARTILLERY EXPERIMENTS EXECUTED AT GAVRE... Lot 21

[ARTILLERY]. ARTILLERY EXPERIMENTS EXECUTED AT GAVRE by order of the Minister of the Navy during the years 1830, 1831, 1832, 1834, 1835, 1836, 1837, 1838 and 1840. [Bound in the following pages:] SUITE DES EXÉRICES D'ARTILLERIE EXÉCUTÉES À GAVRE par ordre du Ministre de la marine. Experimental research on the deflections of projectiles. P., Imprimerie Royale, May 1841-44. Two works bound in one large volume in-4 red long-grained morocco, boards decorated with gilt framing and large corner irons with crowned numeral in the center, smooth spine decorated throughout, gilt inner border, light blue moire linings and endpapers, gilt edges (Period binding); 186 pages and 2 h.-t. plates. 48 pages, 2 h.-t. folding plates. First cover detached, second cover with a large part of the spine split, minor damage to the headpieces. ORIGINAL EDITION of these two rare treatises on ballistics. Copy in morocco decorated with the CHIFFRE D'HENRI-EUGÈNE-PHILIPPE-LOUIS D'ORLÉANS, DUC D'AUMALE (1822-1897). ¶ OHR, pl. 2588, iron 5 (approximate).