What Tube stock is that at the bottom? Never seen anything like it - especially those "covers" where the ventilator intakes would be above the windows.
I'm not altogether sure if ChrisM was going to post the answer to this one or not, but as he listed it in the document he sent, I guess I was supposed to. So advanced apologies to Chris if he was about to post this!!
*Click for larger version*
The correct answer was Track recording train at Aldgate [Rob]
I have no question for today, so I'm guessing Chris will be along a little later.