Show cot cost of 0 gun can practice the asked by the secretary ot of the navy lor for run gun practice duran during the year seems enormous until ono one considers the cost collot of firing the tha big guns euna now in use um to fire are a 13 inch cun cots costs for or powder and shell just about SOO four times a year the men at aie a exercised in big gun practice with regulation charges barges each nan man of the gun crew firing four lour shots at these trials there are arc seven even men in the guns crow on these guns to fire a tour four inch common shell costs 17 a six 11 a one cae 1114 |