Specification of Édouard Besnier de la Pontonerie
Subtitle: apparatus for consuming smoke
Publisher: Great Seal Patent Office
Published: 1857
Place of publication: London
Language: eng
Subjects: Smoke prevention; Furnaces; Fireplaces; Steam
Notes: Cover title.

At head of title: A.D. 1857. No. 1775.

"Édouard Besnier de la Pontonerie, of Paris, in the empire of France, merchant".