An RAF pilot has attempted an altitude flying record.
Unused / unissued material - no paperwork - dates unclear or unknown.
A pilot is pulled into a suit to protect him at altitude (it looks like a 30's idea of a spaceman's outfit). He is sealed in and an air pipe is fixed to his helmet. He and his helpers are standing next to a plane. He is helped up into the cockpit. The plane is seen taxiing (it has RAF - Royal Air Force markings).
He now gets out of the cockpit - presumably after his flight. After being helped out of his protective outfit he chats with RAF men.