His guns and ours were engaged almost continuously in an artillery duel, so that I became especially interested in him, particularly as the extreme precision of his fire indicated thoroughness and conscientiousness of work for months before the campaign began. One day--whether before or after the great assault, I cannot now remember--that part of our line which lay immediately to the left of the position occupied by the battery to which I belonged was thrown forward to force the opposing Federal line back. It was the only large movement in the way of a charge over perfectly open ground that I ever had a chance to observe with an unobstructed view, and merely as a spectator. When we, with a few well-aimed shells, had fired a barn that stood between the lines, and driven a multitude of sharp-shooters out of it, the troops to our left leaped over our works and with a cheer moved rapidly across the field. The resistance made to their advance was not very determined,--probably the Federal line at that point had been weakened by concentration elsewhere,--and after a brief struggle our men crossed the slight Federal earthworks and pressed their adversaries back into the woods and beyond my view. It was a beautiful operation to look at, and one, the like of which, a soldier rarely has an opportunity to see so well; but my attention was specially drawn to the situation of the artillery commander, to whom I have referred as posted immediately in our front. His position was the pivot, the point where the Federal line was broken to a new angle, when that part of it which lay upon his right hand was pressed back while that on his left remained stationary. He fought like a Turk or a tiger. He directed the greater part of his fire upon the advancing line of Confederates, but turned a gun every few minutes upon our battery, apparently by way of letting us know that he was not unmindful of our attentions, even when he was so busily engaged elsewhere. The bending back of the line on his right presently subjected him to a murderous fire upon the flank and rear,--a fire against which he had no protection whatever,--while we continued a furious bombardment from the front. His position was plainly an untenable one, and so far as I could discover with a strong glass, he was for a time without infantry support. But he held his ground and continued to fight in spite of all, firing at one time as from two faces of an acute triangle.