Specification of Richard Pannell Forlong
Subtitle: consuming smoke in furnaces
Publisher: Great Seal Patent Office
Published: 1867
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces
Notes: Cover title.

At head of title: A.D. 1867, 26th June. No. 1861.

"Richard Pannell Forlong, Bristol, in the county of Gloucester, manufacturer".