Plans deren Maneuvres[,] Formacionen und Colocacionen deren Officiers und Sergenten wie es bey dem löblichen Schweizer-Regiment Baron De Reding geübt wird. ["Plans of the maneuvers, formations and positions of their officers and sergeants as practiced by the Honorable Swiss Regiment Baron De Reding]. Madrid, 1772. Oblong Imperial quarto (29.5 x 40 cm). Extensively illustrated, original manuscript drill manual as practiced by Spanish regular troops while allied with France and the United States during the American War for Independence. Written and illustrated by an officer in the Regiment de Reding, most of the text is written in German in brown ink, the illustrations rendered in watercolor, ink and graphite. With large armorial device on title-page, in color, with the crowned impaled arms of Sicily (dexter) and Austria (sinister); a preliminary leaf with 2 rows of 6 color pictures; and XVI numbered leaves with color plans of regimental formations and maneuvers, with 37 numbered marginal drawings in brown ink with grey and yellow washes on 7 of these leaves showing details of the Model 1757 Spanish musket, including parts of the lock, brass stock mountings, and gun tools; and some of the leaves with color drawings of landscapes with mountains, lakes, etc. Contemporary tanned sheepskin, decorated paper sides. [2], XVI ll. Beautifully drawn and colored complete manuscript on the officers' positions under arms, regimental maneuvers and formation as introduced by the noted Swiss officer, Colonel Baron Aloys De Reding, when he served in the Spanish army. With the early owner's inscription of Joannes Josephus Real. CONDITION: Very good overall, two leaves detached, but otherwise in good condition, with a few leaves tattered at the edges and an occasional smudge, spot or small marginal stain. The binding is rubbed, a few holes in the spine, which has come loose from the book block at the front hinge.