Its whats in the background of some of the photos thats interesting as well
The C46 at Heathrow - left edge of the photo is a British Eagle Britannia
appears to be "Endeavor" - The mythic ShellMex Gulfstream 1 appears behind the SAbena Convair 440 shot
Also the Saturn DC8 at Gatwick there is an RCAF Yukon parked on the North ramp