Specification of George Henry Birkbeck
Subtitle: furnaces for consuming smoke
Publisher: Great Seal Patent Office
Published: 1861
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces
Notes: Cover title.

At head of title: A.D. 1860, 28h December. No.3177.

"George Henry Birkbeck, of the firm of Tongue and Birkbeck, of 34, Southampton Buildings, Chancery Lane, in the county of Middlesex, patent agents and engineers".