Complex sentence: The main armament was three Krupp 6.7in/25 caliber 5.6 ton breechloading guns fore and aft and six Krupp 4.7in/25 BL guns in sponsons amidships.
Split into simpler sentences: The main armament was three Krupp 6.7in/25 caliber 5.6 ton breechloading guns, mounted fore and aft. The secondary guns were six Krupp 4.7in/25 BL guns in sponsons amidships.