| Description | Letters Patent No. 462,364, dated 11th September 1935, issued to Cannon Iron Foundries Ltd., with Richard Talbot Clayton of the Company, William Barnsley and Thomas Barnsley both of Globe Works, Highfields, near Bilston, for 'improvements in gas lighting apparatus'; correspondence with Barker, Brettell & Duncan, Chartered Patent Agents, Birmingham; copies of patent specification no.s 5062; 178,841; and 274,603 for gas lighting apparatus. |