21. The Bull had no gun ports , but these could be added in the final production model. 22. The only frontal armament was machine gun ports in cupolas designed for observation and anti-infantry purposes. 23. By this time, flooding had increased to the point that the casemate gun ports were submerged. 24. The front and read elevations feature gun ports cut into the logs, high in the walls. 25. In 1874 the ship was rearmed with 16 gun ports had to be widened to accommodate them. 26. However, by 10 May, most of the bunkers were incomplete, lacking gun port shutters for the artillery casemates. 27. It may have had gun ports . 28. Three of the gun ports were on the second floor and a fourth was on the first floor. 29. The casemate was furnished with a 25mm anti-tank gun, a machine gun port and an automatic rifle port. 30. During the Second World War it was converted into a fortified pillbox with gun ports in the sides.
