sentences:  Her armament in 1874 was listed as two 7-in RML, twenty 64 lb guns, twenty 32 lb guns and six 12 lb howitzers.During 1879–1882, "Nelson" was further cut down to a single deck and her rig reduced to the main mast only, the ship being reclassified as a frigate.Her old armament was partly replaced by modern breech-loaders.