[Bluecortina]

Difficult enough with a gas fire. IIRC they had to put a flue through the roof.

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Well if you're going to run a fake schedule then you may as well fill it with something entertaining!

Incidently I was there for the first pilot of Channel 5's TX suite and the first programme they played was an old Thames programme. It got a cheer in the suite when the ident at the beginning played

Yes, out the roof or the far LHS of the studio wall. Perhaps there are some contemporary pictures of the studio which may show it if you are interested to look.