Specification of Charles Stevens
Subtitle: smoke-consuming furnaces
Publisher: Great Seal Patent Office
Published: 1861
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces; Boilers
Notes: Cover title.

At head of title: A.D. 1861, 20th June. No. 1588.

"Charles Stevens, of 31, Charing Cross, in the county of Middlesex, patent agent".