Specification of Henry John Porter
Subtitle: trusses
Publisher: Great Seal Patent Office
Published: 1875
Place of publication: London
Language: eng
Subjects: Hernia; Therapy; Trusses
Notes: Cover title.

At head of title: A.D. 1874, 28th August. No. 2947.

"Henry John Porter, of Gray's Inn Road, in the county of Middlesex".