Specification of Jean Prosper Koening
Subtitle: pneumatic catheter
Publisher: Great Seal Patent Office
Published: 1859
Place of publication: London
Language: eng
Subjects: Catheterization; Instrumentation
Notes: Cover title.

At head of title: A.D. 1858. No. 2053.

Jean Prosper Koening, of the rue de Fleurus, of Paris, in the empire of France"