This British Naval chase cannon mounted on field carriage is a brass smooth bore muzzle loaded ("SBML") 6 pounder.  It has been on display in Britomart reserve, Akaroa New Zealand since 1907.  For further notes, see <a href="//commons.wikimedia.org/wiki/File:Akaroa_British_Naval_SBML_6_pounder-_View_left_rear.jpg" title="File:Akaroa British Naval SBML 6 pounder- View left rear.jpg">Akaroa British Naval SBML 6 pounder- View left rear.jpg</a>.
<a href="//commons.wikimedia.org/wiki/User:J_JMesserly" title="User:J JMesserly">user:J JMesserly</a>
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<span class="int-own-work" lang="en">Own work</span>