Glider pick up
I've got a 1949 (amended up to 1952) copy of AP 129, Royal Air Force Pilots Flying Manual which describes (with illustrations) the Glider Pick-up recovery System.
I can get the pages scanned into a folder. If someone can tell me in very simple terms how to get them onto here I'll cheerfully have a go at doing it.
(There's also some good stuff on glider and target towing, how to fly in formation and accomplishment of carrier deck landings.
At the back of the book are 50 odd photos of RAF aircraft, current or just coming into service)