I've started a new thread on this one. There are at least two existing threads in the archive but they relate to specific issues: Felix Muelas with an Aston Martin query and Rob Ryder checking chassis details for the works Ferraris. Here are those links:
http://forums.autosp...ational +trophy
http://forums.autosp...ational +trophy
Here are two short films of the main race. The Movietone piece includes the Formula 3 start.
Brave, gritty drive from Denny! There's a good picture somewhere (Autosport) of the two McLarens on their slowing down lap, Denny showing Bruce his shattered goggle.