Specification of  Jean Jacques Bouvert and François Isidore Jean Pascal
Subtitle: smoke-preventing apparatus
Contributors: Pascal, François Isidore Jean
Publisher: Great Seal Patent Office
Published: 1858
Place of publication: London
Language: eng
Subjects: Smoke prevention; Steam-engines; Furnaces
Notes: Cover title.

At head of title: A.D. 1857. No. 2023.

Jean Jacques Bouvert, civil engineer, and François Isidore Jean Pascal, solicitor, both of Paris".