<p>c/n PAC/F/311.
Detail shot of the Alvis Leonides 9-cylinder radial engine on the Shuttleworth Collection’s Provost.
‘Best of British’ Flying Evening.
Old Warden, Bedfordshire, UK.
</p>
18-7-2015
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/65001151@N03">Alan Wilson</a> from Stilton, Peterborough, Cambs, UK
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/ajw1970/20554914141/">Percival Provost T1 ‘XF603’ (G-KAPW)</a>