Specification of Charles Henwood
Subtitle: galvanic battery for medical purposes
Publisher: Great Seal Patent Office
Published: 1858
Place of publication: London
Language: eng
Subjects: Belts (Clothing); Electric batteries; Electric Stimulation Therapy
Notes: Cover title.

At head of title: A.D. 1857. No.3003.

"Charles Henwood, of the city of Oxford, engineer".