Coalite Group plc, Bolsover: unlisted records Accession, September 2010 Photographs, correspondence and ephemera re Coalite Ltd, including: Operational/production records and photographs of production sites in Bolsover, Doncaster, East Greenwich and elsewhere 20th cent; company newsletters; advertising files including some original artwork, c1930s-1980s; director's speeches, articles etc. 1930s-1940s, files re proposed plant in South Africa c1980 Accession, March 2012 Minute book 2, signed and indexed, 297pp, recording minutes of Board of Directors and Annual General Meetings, at Chesterfield and London respectively, 25 Nov 1952 - 21 Jul 1972 Accession, November 2016 (from Chesterfield Library) Research Report on the Current Performance of the coal-fired boilers at the Derbyshire Coalite Works, by CE Needham and HV Cranham, 1959 Accession, July 2025 Board minutes and papers c1988-1990, Scrapbook, Group Directory 1988, Other ephemera 1931-1972