...out two feet by three square, and about half-inch thick; they were so secured to the inner faces of the embrasures that they were quickly lowered and raised as the gun ran into battery or recoiled. General Beauregard , before the battle began, gave me the model of a capital sort of wooden embrasure, to be used by our own sharpshooters; they were to be covered over by sand-bags as soon as the rifleman should establ...