An experimental 21cm Versuchmorser L/10 Mörser manufactured by Krupp in 1906 at Barclay Square, Red Cliffs, Victoria, Australia
<a href="//commons.wikimedia.org/wiki/User:Longhair" title="User:Longhair">Longhair</a>
2008
<span class="int-own-work" lang="en">Own work</span>