Report of a Bureau of Ordnance Test of September 20th, 1864 against a 5-inch thick piece of armor plate using an 11-Inch Dahlgren, 15-Inch Dahlgren, 7-Inch Brooke, 150-Pounder Parrott, and a 10-Inch Dahlgren

US Navy Report of Ordnance tests in June and July 1864 against Target Number 57. The tests used US Navy round shot guns and a captured Brooke Rifle from CSS Atlanta.