Specification of Richard Rodham and Edward Robert Hoblyn
Subtitle: machinery and apparatus for condensing and purifying smoke
Contributors: Hoblyn, Edward Robert
Publisher: Great Seal Patent Office
Published: 1854
Place of publication: London
Language: eng
Subjects: Smoke prevention; Fireplaces; Furnaces
Notes: Cover title.

At head of title: A.D. 1850. No. 13,412.

"Richard Rodham, of Gateshead, in the county of Durham, practical chemist and Edward Robert Hoblyn, of Stepney, in the county of Middlesex, gentleman".