xxii the translator’s

method of disposing the artillery in the day ofaction ; and its use in the defence and attackof field-works, together with the principles oftheir construction*; whether for covering acountry or intrenching an army: and con-cludes with the duties to be performed in can-tonments and winter quarters. Although thesethree treatises did not immediately follow eachother in point of time, yet as they are in amanner connected together and form the sub-ject of the following work, it was deemed ex-pedient to class them together.

The first book of military architecture isprefaced with a general idea of fortification andof the art of war, with a succinct account ofthe writers on those subjects. The situationsproper for regular fortifications are pointed out,with rules and directions for the constructionof the body of the place, and out-works ofevery denomination.

This first book containing as it were, the ele-ments of fortification, which is considered un-der three heads, viz. the ancient, the primitivemodern, and the present system, is followed innatural order by the second volume, compre-,bending the attack and defence of regular for-tifications.

The third comprehends the maxims and

principles