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
Second Boer War invasion of the Cape Colony and Colony of Natal between October 1899 and January 1900. With speed and surprise, the Boer drove quickly towards the British garrison at Ladysmith and the smaller ones at Mafeking and Kimberley. The quick Boer mobilisation resulted in early military successes against scattered British forces. Sir George Stuart White, commanding the British division at Ladysmith, had unwisely allowed Major-General Penn Symons to throw a brigade forward to the coal-mining town of Dundee (also reported as Glencoe), which was surrounded by hills. This became the site of the first engagement of the war, the Battle of