120-pounder Whitworth naval gun

120-pounder Whitworth gun United Kingdom Naval gun yes y yes yes 1865– Brazil Paraguayan War Joseph Whitworth Joseph Whitworth 1865?– 16660 lb kg 1 144 in m 4 Solid shotExplosive shell 151 lb kg 1 7 in mm on 3 about 5540 yd m Black powder 5 lb kg 1Holley, p. 34 The 120-pounder Whitworth naval gun was designed by Joseph Whitworth during the 1860s. It was a rifled muzzle loader and used his hexagonal rifled bore design, the principle of which is described in the article on the 70-pounder Whitworth naval gun. Service A number of 120-pounders were bought by the Imperial Brazilian Navy and used to arm some of its ironclads during the Paraguayan War in the late 1860s.Gratz, pp. 141, 144, 153 Notes 2 References Warship 1999-2000 Preston, Antony The Brazilian Imperial Navy Ironclads, 1865–1874 Gratz, George A. Conway Maritime Press London 1999 0-85177-724-4 Alexander Lyman Holley, "A Treatise on Ordnance and Armor" published by D. Van Nostrand, New York, 1865 Category:Naval guns of the United Kingdom