Poster, British Rail & Department of the Environment poster (Automatic half-barrier level crossing), Advertising introduction of crossing type at - space left blank, Advice on use of crossing, Illustration - Multiple-unjit at crossing with barriers down and flashing lights indicated, After 1962. Automatic half-barrier level crossing after 1962
1 photograph Photo showing the construction of the Science Museum East Block Expansion - New Roof (Jacking Process)
