private locomotive manufacturers References Various public domain files declassified by: Ministry of Defence (United Kingdom) Ministry of Supply (and successors) Royal Aircraft Establishment, Farnborough now archived in the Public Record Office, London. External links Huwood-Hudswell Diesel Mines Locomotives Manchester Ship Canal locomotive 67 Oamaru Steam and Rail Locomotive manufacturers of the United Kingdom Defunct companies based in Leeds Manufacturing companies based in Leeds Manufacturing companies established in 1860 Companies with year of disestablishment missing