Finding Old Films & Photos

Hi,

I am interested in tracking down film of two aircraft/events and have tried googling many times but wondered if experts in the community might point me in the right direction for further research…

My father flew a demonstration of Queen Bee P4686 on Empire Air Day, May 20th 1939 at ( I think ) Henlow Airfield. Would love to track down any film/pictures.

Also, from May 20th 1946 my father flew Lancaster FM201 on many occasions, mainly at/from RAE Farnborough – again would love to find some images, moving or not.

Tony Adderley