Specification of William Clark
Subtitle: smoke-consuming fire-grates
Publisher: Great Seal Patent Office
Published: 1862
Place of publication: London
Language: eng
Subjects: Smoke prevention; Fireplaces
Notes: Cover title.

At head of title: A.D. 1862, 12th May. No. 1418.

"William Clark, of 53, Chancery Lane, in the county of Middlesex, engineer and patent agent."