A couple of nights back I attended a presentation given by Hilton Jeffries, who was an engineer on QE2 for 25 years (Go On - Stop On! I have been on a job like that too).
Anyway, he has e-mailed me some photos of one of the Paxman emergency generators and the switchboard. The QE2's Paxmans are 11 years older than the engine in my previous post #4 below, and naturally aspirated, so the have a different inlet & exhaust manifold system.
Many thanks to Hilton for the photos.
Cheers
Skilly