From the UEA East Anglian Film Archive. You can watch the whole thing here.
Here are some bright young chaps leaving (I think) one of Corpus' staircases in the morning:
And here is a chap off for a bath:
And here is Will Spens, Master of Corpus:
There are also some interesting scenes of the undergraduate ARP services practising out in Trinity's Great Court. And of the Provost of King's, John Tressider Sheppard, lecturing on Homer, the poetry 'of friendship and freedom'.