I acquired a data reel from a Concorde GBBDG A/C 2 a number of years ago (The one at Brooklands) Take off 1050 land 1330 12/4/1974. States ft 0017, Zu2 on the outer rim of the reel ( looks approx 12 inch ).
I'm after some information on the purpose of the reel and what could possible be on it !?
Happy to send some pics if it helps....
Thanks in advance.