BoeingBoy; I too did my first solo from White Waltham in 1970 but I used the Aircoupe fleet (G-ATRY) Sadly it met its demise on the Isle of Wight in the eighties.
G-ATRY also at WW in Feb 1971 - often wondered what happened to her. 35 Hour PPL course, 6 weeks starting 1st Feb. - 20 flying days, which seemed good for Winter. Nice idea to repeat for the 50th.