sentences:  If weight permitted, all four were to be 28 cm guns, but the option to reduce the wing turrets to was available if necessary.The secondary battery was to be sixteen of the 10.5 cm guns, with at least some in twin turrets, but over the following months the battery was increased to 15 cm guns, as it was the accepted view at the time that secondary guns would do the most damage in a close-range fight.This view, which advocated the so-called "hail of fire" principle, was seemingly vindicated by the Japanese cruisers' victory over a more heavily-armed Chinese fleet at the Battle of Yalu later in 1894.