Jean Errard – La fortification demonstrée et reduicte en art
General subject of the book:
The Book is about a very comprehensive theory of military fortifications. It covers a wide range of geometric designs, which are based on polygons. With his many sketches Jean Errard searches for the optimal design for defense.
Organisation of the book:
The Book is divided in four volumes. The first volume has 12 chapters, the second has 29, the third has 20 and the fourth has 10.
Size of the book:
- With: 205mm
- Height: 315mm
- Breadth: 35mm
- Folio (Traditional standard format)
Total number of pages and illustrations:
It consists of 140 pages of which about 87 are illustrations. The majority of the illustrations are geometric designs of the fortifications, each covering a double page.