An ornamental rectangular woodcut headpiece featuring symmetrical scrollwork, floral motifs, and a central decorative element resembling a mask or stylized shield.

TO THE HIGH AND MIGHTY-

LORDS THE STATES GENERAL

OF THE UNITED NETHER-

LANDS.

Since ancient times, and also in recent years, much has been written well regarding castrametation original: Leghermeting, literally "camp measurement," the art of laying out a military camp, as it is one of the most principal parts of warfare, of which the chief officers of the Roman army, namely the Tribunes original: Tribuni, had the management. Therefore, His Princely Grace Referring to Stevin’s patron, Prince Maurice of Orange (1567–1625), the Captain-General of the Dutch forces. has earnestly read through these works, and that not only in a theoretical original: Theorica speculative Stevin used the Dutch word spiegeling (mirroring/reflection) as a technical term for theory. manner, but moreover has put the same into practice, adding thereto his own inventions and arrangements according to the requirements of the manner of warfare conducted in these times. In this, it is found that since everyone, having arrived at the site, immediately builds in his quarter to be quickly sheltered against rain, storms, or hot sunshine—and meanwhile the construction as a whole must proceed orderly, also so that the entire camp may be quickly entrenched—it was necessary for many officers officers (Amptlien) to understand the management of this well; some in its entirety, several in specific parts, such as the regiments or other quarters for which they were responsible. To which end instruction was given to each according to the requirements of his quarter. But to provide such instruction even better, the most suitable way seemed to me to take the matter of the