Trust Deed concerning Letters Patent

Scope and Content

Trust Deed regarding Letters Patent on the appointment of new Trustees of the Monmouthshire and South Wales Coal Owners' Association. The patents relate to the treatment of dust laden air, reduction of dust in coal mines, apparatus for heating air, and the suppression and reduction of dust in coal cutting (jib-spray, coal-cutter spray and water-interlock), and improvements in drilling and boring apparatus. 11 Apr 1945. [See DNCB/15/1/4/3 for an assignment of letters patent for some of the patents listed].

Custodial History

Previous reference: 1991/548/2/28