Butterley Company correspondence file with Ripley Gas Company Limited on potential damage to Ripley Gas Works and working out of agreement on liability between the two companies Including copy of agreement, 8 Dec 1936, with copies of drafts, copy of conveyance by John Henry Topham to the Butterley Company of freehold closes of land in Station Road, Ripley, 23 May 1906, plans of Kilburn coal workings near Ripley Gas Works, cApr 1935, and plan showing pillar to be left for Ripley Gas works in the Kilburn Seam, 19 May 1936 Sep 1932-Nov 1939