Bradford 778, CBX601, a Karrier W new in 1944 which was ex Llanelly & District 42 and was rebodied with the East Lancs H35/28R body in 1956 before entering service in Bradford.
It is seen here passing Chester Street on the climb up Little Horton Lane.

Photo taken by John Kaye, Sunday 6 May 1956, Little Horton Lane, Bradford