The box contains 4 English Electric Company photo albums:

Album no. 10 - Little Portugal Bo-Bo, with photos of the build

Album no. 11 - Big Portugal Co-Co.

Album no. 12 - E.A.R. 90 Class 1-Co-Co-1, includes photos of the detail failures.

Album no. 13 - E.A.R. 91 Class 1-Bo-Bo-1, this class was never put into service but was rebuilt to a new specification - 72 class.