30.5 cm SK L/50 gun
... that the German 30.5 cm SK L/50 gun was featured in the main batteries of 16 of the 26 capital ships built by the Kaiserliche Marine before the First World War?
... that the German <b id="mwCWY"><a href="./30.5_cm_SK_L/50_gun" id="mwCWc" rel="mw:WikiLink" title="30.5 cm SK L/50 gun">30.5 cm SK L/50 gun</a></b> was featured in the <a href="./Main_battery" id="mwCWg" rel="mw:WikiLink" title="Main battery">main batteries</a> of 16 of the 26 <a href="./Capital_ship" id="mwCWk" rel="mw:WikiLink" title="Capital ship">capital ships</a> built by the <a class="mw-redirect" href="./Kaiserliche_Marine" id="mwCWo" rel="mw:WikiLink" title="Kaiserliche Marine">Kaiserliche Marine</a> before the <a href="./World_War_I" id="mwCWs" rel="mw:WikiLink" title="World War I">First World War</a>?