The web site for the Pleasley Colliery mining museum http://www.pleasley-colliery.org.uk Uploaded photos of the internals and externals of a Lancashire boiler. This section will be expanded to give a fuller description http://www.pleasley-colliery.org.uk/html/lancashire.htm Added photo and memorials for J. A. LOngden http://www.pleasley-colliery.org.uk/html/j_a_longden.htm