The box contains 3 Metropolitan-Vickers Electrical Co photo albums:

Album no. 17 - P.K.P 19206, containing photos of Bo Bo electric locomotives for Polish State Railways.

Album no. 18 - S.A.R. 0440 Locomotive G.O. 19336, containing photos of Bo Bo electric locomotives for South African Railways.

Album no. 19 - W.A.G. 61043, containing photos of the locomotives in traffic and after derailments and collisions. Also, of modifications to engines and mechanical components.