Two formats are available for each set of slides. The dvi format doesn't include the postscript figures which are occasionally used. The postscript format is psmulti compressed to 4 logical pages per physical postscript page. This saves space when you print the slides, which are in a non-dense format.
Here are the notes (gzipped postscript only)
Some example questions for the course are here.
Roses are red Violets are blue When lambda is big then rho is tooUpdated Thu Oct 10 11:34:20 BST 1996 by Simon Crosby