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A decorative woodcut headpiece features a central human face mask flanked by two rabbits or hares amidst scrolling floral and vine motifs.
Given the length of a line, to make a scale from it. 2
It very often happens that the Defense, appearing to come from one line, actually fails in another line. 3 Defension (Defense): In 17th-century fortification, this refers to the line of fire provided by one part of the fortress to protect another.
Demonstration of the best Defense that can be found. 3
IV. To create the Design of a Redoubt. 3 Redoubt: A small, enclosed defensive work, usually square or polygonal, often used to protect isolated positions.
V. Calculation of a Redoubt. 3
VI. To complete the Design of a Redoubt from the present calculation, or from the following table. 4
VII. To create the Design of a Redoubt in the field. 4
VIII. To create the Design of a Star. 6 Estoile (Star): A star fort or "ouvrage à couronne," characterized by many projecting points to eliminate "dead zones" where attackers could hide.
IX. The calculation of the Star. 6
X. To create the Design of a Star, following the calculation or the table. 8
XI. To create the Design of a Star in the field. 8
XII. The Invention of the Design of Forts with half-Bastions. 9 original: "demi-Boulevards." In this period, "boulevard" or "bulwark" was the common term for a bastion.
XIII. Calculation of Forts with Half-Bastions. 9
XIV. To create the Design of a Fort with Half-Bastions, following the calculation or the table. 11
XV. To create the Design of Forts with Half-Bastions in the field. 12
Table of Designs for small Works. 12
XVI. To create the Design of Acute-angled Figures. 15 Acutangular: Shapes with acute angles (less than 90 degrees), often used for the points of bastions.
XVII. To create the Design of Figures that have right-angled flanked angles. 18