The smaller lecture theatre was called 'BO2' and was probably about half the size of BO1, which was next door and from which you could sometimes hear sounds. The door from the corridor was next to the toilets and the entrance to the bar. The stairs went up the sides of the red seats rather than the middle. It had the advantage of a booth at the back for the projectors, of which I think there were two, which were directed towards a projection screen. The door was on the left of this screen. I think that for some time there was a piano in this room, possibly the one which was later in the room between the canteen and the bar.