Class 25 Worksplate BRITISH RAILWAYS DARLINGTON BUILT 1963 POWER EQUIPMENT BY ASSOCIATED ELECTRICAL INDUSTRIES LTD AND SULZER ex British Railways diesel Class 25 from the number range D5176-5185,5223-5232,7578-7581 becoming 25026-25035,25073-25082,25228-25231. Rectangular cast aluminium, measuring 13in x 6.5in. Recovered from Derby by a member of staff who then had it laser blasted, so pretty much bereft of paint.