The Old Mole, stretching into the Bay of Gibraltar, provided further mountings for cannon to sweep the isthmus, while a series of defensive works constructed on a glacis above the entrance to the town provided further enfilading fire.
The Old Mole, stretching into the Bay of Gibraltar, provided further mountings for cannon. This was to sweep the isthmus. A series of defensive works provided further enfilading fire. This was to sweep the isthmus. These defensive works were constructed on a glacis above the entrance to the town.