When in the mid 1930's it became the fashion to 'streamline' the design of everything, Manchester's staff produced a bus body design that spread far beyond the 'northern union'. I remember well the streamliners on Crossley, Daimler and Leyland chassis, but I never thought much of Crossley's new fatter radiator shell ....
The new body never sat well on Daimler chassis either. Note the grey roof denoting a 7' 6" wide bus compared with the red roof on the post-war 8' wide Crossley DD42....
EVU 872, a Leyland TD5 with Metro-Cammell - Crossley body, was new in November 1938 and worked hard on all-day services for 15 years. PIctured at Hollinwood, boundary with Oldham, it was withdrawn in January 1958...
I prepared these drawings in the 1990's with a view to making etchings, but in the end I only got as far as making some useful castings for the 'difficult' bits....
Leyland produced a good number of buses for Manchester using it's standard body married to MCT's Steamline features including the window pans. The more upright front profile gave them a more modern appearance especially when viewed alongside against the post-war intake...
A drawing comparing the MCT Streamline body and Leyland's variation....