Specification of Francis Puls
Subtitle: electro-galvanic apparatus for medical purposes
Publisher: Great Seal Patent Office
Published: 1854
Place of publication: London
Language: eng
Subjects: Electric Stimulation Therapy; Instrumentation
Notes: At head of title: A.D. 1854. No. 1287.

Cover title.

"Francis Puls, of Whitechapel Road, philosophical instrument maker".