Specification of Louis Jean Jacques Pètre
Subtitle: smoke-consuming grate
Publisher: Great Seal Patent Office
Published: 1861
Place of publication: London
Language: eng
Subjects: Smoke prevention; Fireplaces
Notes: Cover title.

At head of title: A.D. 1861, 12th June. No. 1506.

Louis Jean Jacques Pètre, of 29, Boulevart [sic] St. Martin, Paris, merchant"