1.Previous
3.Next

out by Norwegian forces. In 1666, the construction of a replacement building for the wooden edging, which "struck", began. This new fortress was in the form of a Roman redoubt, or tower building with four small ravelins. In 1671-73, the tower, which was then called Karlsten, was built on one floor and was equipped with a roof battery. Initially a square stone tower was constructed, but in 1681, the construction of a large round shaped tower began, following the commander Carl Gustaf Frölich's

1.Previous
3.Next