An 8-inch Parrott, “to experiment at long ranges”
Federal engineers found a landing on the creek stacked with lumber the Confederates had left behind, and used it for magazines and platforms. The same day Gillmore decided to put an 8-inch Parrott rifle in position on the left — the immediate object, Brooks understood, being to experiment at long ranges. That line of thought ended in the Swamp Angel.
Major Brooks’ journal, OR I, 28, Pt. 1