“His telescopic Whitworths”
Work continued day and night, but only a small engineer detachment could work by daylight: “the enemy’s sharpshooters, who during this period give us more trouble by day than his heavy guns. The least exposure above the crest of the parapet will draw the fire of his telescopic Whitworths.” Wagner’s marksmen were the best-equipped in the Confederate service.
Major Brooks’ journal, OR I, 28, Pt. 1