Museum information plaque of the Finnish 20 mm twin anti-aircraft cannon <a href="https://en.wikipedia.org/wiki/20_ITK_40_VKT" class="extiw" title="en:20 ITK 40 VKT">20 ITK 40 VKT</a> in Maneesi Military Museum.
<a href="//commons.wikimedia.org/wiki/User:MKFI" title="User:MKFI">MKFI</a>
2010-05-13
<span class="int-own-work" lang="en">Own work</span>