New post yesterday has prompted me to upload to Flickr all of my photos taken at the 1975 and 1994 shows.
Here are the 1975 photos: Pingouin G-ATBG (but see below), Cessna G-BCUY, Stampe G-AYIJ and Islander G-AXXH:
Barton Air Show, 13th July 1975 - a set on Flickr
1994: Air Atlantique DC-6B G-APSA, a RAF Sentry, a Miles Gemini G-AKKB, and Messenger G-AIEK/RG333, Army Air Corps Beaver, Skeeter, Wasp, Bell 47G5; and the Crunchie Stearman, N74522:
Barton Air Show, 22nd May 1994 - a set on Flickr
Correction to above: I've just been advised that the Nord Pingouin is in fact a Nord Noralpha, G-ATHH.