- 1Records of Nasmyth, Wilson & Co Ltd, Locomotive Builders, Patricroft (NAS)
1839 - 1938, fonds - 2Records of North British Locomotive Company Ltd & Constituent Companies (NBL)
1835 - 1959, fonds - 3Derby Locomotive Works Engineering Archive (DERBYLOCO)
1874 - 1961, fonds - 4Engineering drawings by J & W McNaught (YA1966.7)
c.1875-1920, fonds - 5Postcard Showing the Mirrlees, Bickerton & Day Factory in Hazel Grove (YA1999.79)
early 20th century, item - 6Engineering drawings from E. Timmins & Sons Ltd (YA1969.40/MS0676)
c.1907, fonds - 7Business archive for Craven Brothers Ltd, machine tool makers. (YA1971.10/MS0165)
1860-1967, fonds - 8Engineering drawings from Daniel Adamson & Co. (YA1975.34)
1911-1964, fonds - 9Service Manual for National Horizontal Diesel Engines Types "JB" and "KB" (YA1976.22/1)
c1920, item - 10Instructions for the erection and maintenance of National horizontal heavy oil engines "N" series (YA1976.22/2)
c.1920, item - 11Spare parts list National horizontal heavy oil engines "N" series (YA1976.22/3)
c.1920, item - 12National Gas and Oil Engine Co. manuals (YA1976.22)
c.1920, fonds - 13Powered Fuel Plant And Its Relation to Modern Power Plant Design (YA1977.69/1)
1925 April 7, item - 14Practice and Progress in Combustion of Coal as Applied to Steam Generation, by F. H. Rosencrants. (YA1977.69/2)
1928 May 3, item - 15Papers given at meetings of professional bodies (YA1977.69)
1925-1928, fonds
