155 mm Creusot Long Tom part of the war the time fuses did not work properly. Case shot was used as a last resort when the enemy's foot soldiers were close to the gun. Case shot was effective up to 400 metres. During the Second Boer War the guns were deployed as field guns and siege guns at Vaal Krantz, Ladysmith, Mafeking, Kimberley and Bergendal. During the early stages of the war these guns gave the Boers an advantage as they had longer range than any British guns that were deployed in South Africa at the time. After all their ammunition had been expended, the
Siege of Mafeking acted as messengers and orderlies and released men to fight. Work to build defences around the perimeter of Mafeking started on 19 September 1899; the town would eventually be equipped with an extensive network of trenches and gun emplacements. President Kruger of the Boer South African Republic declared war on 12 October 1899. Under orders of General Cronje the Mafeking railway and telegraph lines were cut the same day, and the town began to be besieged from 13 October. Mafeking was first shelled on 16 October after the British commanders ignored Cronje's 9 o'clock deadline to surrender. Colonel Baden-Powell had