Keywords: North Carolina class scheme XVI.jpg en Scheme XVI the design actually chosen Note the single funnel and the mixed secondary battery of single and twin 5in/38 mounts Friedman Norman 1985 U S Battleships An Illustrated Design History Annapolis Maryland Naval Institute Press p 263 ISBN 0870217151 OCLC 12214729 Friedman 1985 p 263 <br/> According to p 456 the sketches of alternative designs leading to the North Carolina were taken from 420-6 papers in NHC <nowiki></nowiki>the Naval Historical Center known today as the Naval History and Heritage Command<nowiki></nowiki> U S Navy between 1934 1935 PD-USGov-Military-Navy North Carolina class battleships |