Lockheed 1049C Super Constellation, created using <a href="//commons.wikimedia.org/wiki/File:Super_Constellation_Silh.jpg" class="mw-redirect" title="File:Super Constellation Silh.jpg">File:Super Constellation Silh.jpg</a>
Crown Copyright
The Observer's Book of Aircraft 1952, William Green and Gerald Pollinger, Fredericke Warne &amp; Co London 1952C