Letters patent granted to Stephen Geary re improvements in the preparation of fuel

[Letters patent granted to Stephen Geary re improvements in the preparation of fuel. 1838 May 28. With attached wax seal (broken) in can. Address of Geary, architect, given as Hamilton Place, New Road, Middlesex. This relates to patent no. 7654. Accompanied by (/2) 'Copy Agreement between Mr. Stephen Geary and The Trustees of the British Asphaltum & Patent Coal Company' 30 Jun 1838 (4 sheets)]