Specification of Charles Constant Joseph Guffroy
Subtitle: preparing medicinal substances and compounds from the livers of cod, &c
Publisher: Great Seal Patent Office
Published: 1862
Place of publication: London
Language: eng
Subjects: Fish Products; Cod Liver Oil; Materia Medica
Notes: Cover title.

At head of title: A.D. 1861, 29th July. No. 1892.

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