Specification of Frederic Howorth Edwards
Subtitle: preventing smoke from furnaces
Publisher: Great Seal Patent Office
Published: 1871
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces
Notes: Cover title.

At head of title: A.D. 1871, 14th March. No. 672.

"Frederic Howorth Edwards, of 15, Cambridge Street, Newcastle-on-Tyne, civil engineer".