was carried out which included interviews with former workers. The report, with site maps and annotated photographs, was published in 2009. References Further reading Cocroft, Wayne D. (2000). Dangerous Energy: The archaeology of gunpowder and military explosives manufacture. Swindon: English Heritage. Bates, H. E. (1946). The Tinkers of Elstow: The Story of the Royal Ordnance Factory run by J. Lyons & Company Limited for the Ministry of Supply during the World War of 1939—1945. (Privately Published) Albion Archaeology Former Royal Ordnance Factory 16, Elstow, Bedfordshire, Building Recording and Oral History Project. Economy of Bedfordshire Filling factories Royal Ordnance Factories in England