Well, not really a warbird, but an aircraft whose design and technology offered so much to Britain's aviation advances, the Schneider Trophy winning Supermarine S.6b S1595 survives at The Science Museum at South Kensington, London. Images below and a link to a walkaround of it and its predecessor S.6 N248, located at Solent Sky, Southampton.
Cooling the upper and lower wing (oops, re-read the data) radiators from within, Geo. The air was ducted alongside them. Strangely, the scoops are not present on S1595, but there are covers over where they were.