Specification of Charles Constant Joseph Guffroy
Subtitle: preparing the livers of salt water fish
Publisher: Great Seal Patent Office
Published: 1861
Place of publication: London
Language: eng
Subjects: Fish Products; Cod Liver Oil; Materia Medica
Notes: Cover title.

At head of title: A.D. 1860, 20th July. No. 1764.

"Charles Constant Joseph Guffroy, of Lille, town in the French empire, merchant".