Specification of Robert Clark
Subtitle: consumption or prevention of smoke in furnaces
Publisher: Great Seal Patent Office
Published: 1858
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces
Notes: At head of title: A.D. 1857, 21st October. No. 2686.

Cover title.

"Robert Clark, of Glasgow, in the county of Lanark, North Britain, bleacher and finisher."