Ad 1: Third edition of a work on the famous French military engineer Sébastien le Prestre de Vauban (1633-1707) by the German philosopher and engineer Leonhard Christoph Sturm (1669-1719). The book is divided into three parts, the first dealing with mathematics and the second the geometry, with some letterpress tables in the text and some geometric figures on 8 engraved plates. The third part deals with the method of fortification according to Vauban, accompanied by 23 plates showing fortresses of various shapes.
Ad 2: Fourth edition of the German translation of the memoirs of the French engineer and General Louis Goulon, concerning both defending and attacking fortresses.
With an owner's inscription(?) in ink on title-page. Slightly foxed with some marginal water stains, otherwise in good condition. Jähns, p. 1442; Jordan 3689; VD18 14743582; ad 2: Jordan 1495; VD18 14475065; for both: cf. Sloos, Warfare 08099.