In their later lives many of the firsts had a compartment declassified to help peak time capacity. 

In this shot of 60704 which was on a tour to the East Somerset Railway in May 1986 the yellow stripe over the nearest compartment has been removed which denoted second class use for that compartment

Image by Selsden Jcn

Vehicles

Unit 1005

‚ÄčTrailer First TFK 60704