In message , John Rowland
writes
Steve Fitzgerald wrote:

Compressors are just fitted to trailers on LUL stock.

Are there trailers on the Central Line?

Good point. I'm not familiar enough with 92 stock to remember that
(although that might be changing soon)
--
Steve Fitzgerald has now left the building.
You will find him in London's Docklands, E16, UK
(please use the reply to address for email)