Fortification ca. 1645, including 16 fine drawings of barriers, tools and other equipment, with 3 other manuscripts on applied mathematics including many line diagrams and 2 sundials
![](https://www.asherbooks.com/cache/max220xmax125/uploads/item/K7OGDEESF4GG/xk7ogdeesf4gg_fortification1.jpg.pagespeed.ic.ZLXcvqI4hL.jpg)
![](https://www.asherbooks.com/cache/max220xmax125/uploads/item/K7OGDEESF4GG/xk7ogdeesf4gg_fortification2.jpg.pagespeed.ic.CbhdpYgrLG.jpg)
![](https://www.asherbooks.com/cache/max220xmax125/uploads/item/K7OGDEESF4GG/xk7ogdeesf4gg_fortification3.jpg.pagespeed.ic.tvOwgbBNcP.jpg)
[FORTIFICATION & APPLIED MATHEMATICS].
[4 manuscripts on fortification building, practical mathematics, navigation, the surveying of land and dikes, and sundials].
[The Netherlands, ca. 1645-ca. 1747]. 4 manuscripts. Folio (binding 38 x 22 cm; leaves 33 x 21 cm). 4 manuscripts (mostly in Dutch, but 1 in Latin and another partly in French) written in brown ink on laid paper in 4 different hands (plus a few later additions), the earliest with 16 skilfully executed illustrations of wooden barricades and tools and equipment for building fortifications, the others illustrated with line diagrams including 2 sundials. Loosely inserted in later limp sheepskin parchment (ca. 1794?). Full description
€ 2,250
[The Netherlands, ca. 1645-ca. 1747]. 4 manuscripts. Folio (binding 38 x 22 cm; leaves 33 x 21 cm). 4 manuscripts (mostly in Dutch, but 1 in Latin and another partly in French) written in brown ink on laid paper in 4 different hands (plus a few later additions), the earliest with 16 skilfully executed illustrations of wooden barricades and tools and equipment for building fortifications, the others illustrated with line diagrams including 2 sundials. Loosely inserted in later limp sheepskin parchment (ca. 1794?). Full description