Specification of William Clark
Subtitle: smoke-consuming apparatus
Publisher: Great Seal Patent Office
Published: 1865
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces; Boilers
Notes: Cover title.

At head of title: A.D. 1865, 24th June. No. 1697.

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