The ubiquitous Leyland radiator, phased out as doors moved to the front and then the engine to the back.
It is intended to do some research and add some photo's that I've taken myself. The photo's below are 1:76 models.
A wide range of bus pages on this site. Click here for a list.
Book recommendation: The Leyland Bus by D.Jack published in 1977.
Some people in 2010 don't believe a bus was called the Gay Hostess. Preston to London with a hostess to serve refreshment.