Specification of Frederick Tolhausen
Subtitle: surgical injecting apparatus
Publisher: Great Seal Patent Office
Published: 1862
Place of publication: London
Language: eng
Subjects: Surgical Instruments; Therapeutic Irrigation; Instrumentation; Injections; Enema
Notes: At head of title: A.D. 1862, 12th June. No. 1748.

"Frederick Tolhausen, civil engineer, of  the Strand,  in the County of Middlesex, surgical instrument maker."