In 1615 he surveyed the distance from Alkmaar to Bergen op Zoom, approximately 70 miles (110 kilometres), using a chain of quadrangles containing 33 triangles in all.
The survey was a chain of quadrangles containing 33 triangles in all. In 1615 he surveyed the distance from Alkmaar to Bergen op Zoom, approximately 70 miles (110 kilometres).
In 1615 he surveyed the distance from Alkmaar to Bergen op Zoom, approximately 70 miles (110 kilometres). The survey was a chain of quadrangles containing 33 triangles in all.
In 1615 he surveyed the distance from Alkmaar to Bergen op Zoom, approximately 70 miles (110 kilometres). The survey was a chain of quadrangles containing 33 triangles in all.