Hawker Tempest with 47 mm Vickers P gun
Original uploader was <a href="https://en.wikipedia.org/wiki/en:Minorhistorian" class="extiw" title="en:en:Minorhistorian">Minorhistorian</a> at <a href="https://en.wikipedia.org/wiki/en:Main_Page" class="extiw" title="en:en:Main Page"> en.wikipedia</a>
11 December 2007 (original upload date)
<a rel="nofollow" class="external free" href="http://www.quarry.nildram.co.uk/Pgun.htm">http://www.quarry.nildram.co.uk/Pgun.htm</a>