I came accross these in my mother's loft recently. Taken around the time Bristows bought BEAS in the late 70s. A couple feature yours truly in short trousers. Sorry about the poor quality they have been transferred from very old slides.
The BEAS Hangar at Coventry with WESTLAND BELL SOLOY 47G-3B-1 TURBINE G-BEHN & a Jetranger.
Gas pipeline survey
Me on the left
And in the middle seat. This may be BHL rather than BEAS but around the time of the takeover.