I think there have been occasional messages on various lists about wartime munitions factories of various sorts because of family members working in them. English Heritage have made this excellent book available for free download. It has a lot of information on the various types of manufacturing and a comprehensive gazetteer at the back of the book. Cocroft, W. (2000) Dangerous Energy: The archaeology of gunpowder and military explosives manufacture. English Heritage. http://archaeologydataservice.ac.uk/archives/view/eh_monographs_2014/content s.cfm?mono=1089008 http://goo.gl/iJ20r9 For anyone interested in history they have also made many other publications available. http://archaeologydataservice.ac.uk/archives/view/eh_monographs_2014/ http://goo.gl/lrzkLf Martin Briscoe Fort William [email protected]