Drawing comparing M.1844 8-inch columbiad and M. 1861 10-inch "Rodman" columbiad.
<ul><li><a href="//commons.wikimedia.org/wiki/File:ColumbiadDrawing.jpg" title="File:ColumbiadDrawing.jpg">ColumbiadDrawing.jpg</a>: Albert Manucy</li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:McSush" title="User:McSush">McSush</a> (<a href="//commons.wikimedia.org/wiki/User_talk:McSush" title="User talk:McSush"><span class="signature-talk">talk</span></a>)</li></ul>
2009-07-25 13:38
<ul><li><a href="//commons.wikimedia.org/wiki/File:ColumbiadDrawing.jpg" title="File:ColumbiadDrawing.jpg">ColumbiadDrawing.jpg</a></li></ul>