 The secondary armament consisted of twenty @-@ four 55 @-@ calibre 130 mm Pattern 1913 guns mounted in casemates . A pair of casemates were situated on each side , below the three rear turrets ; near the forward turret were six additional casemates , two of which were directly above the middle pair . This positioning reflected the Naval General Staff 's prediction of the most likely direction of attack by torpedo boats . 
