Specification of John Henry Johnson
Subtitle: furnaces, &c
Publisher: Great Seal Patent Office
Published: 1855
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces
Notes: Cover title.

At head of title: A.D. 1855. No. 1020.

John Henry Johnson, of no.47, Lincoln's Inn Fields, in the county of Middlesex, & of Glasgow, North Britain, gentleman".