The Bransden room is the large conference room in Physics, and is very easy to find. On entering the Rochester building (opposite the main library behind the geography building) climb the main stairs to the second floor (or third if you count 'ground' as one) turn left and head down the blueish corridor, the corridor should turn left, and the Bransden room is through the double doors at the end. You should see a big room with blue chairs through the little windows, and there are usually used tea cups outside. Alternatively, just follow the signs pointing towards coffee.

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