Specification of John Henry Johnson
Subtitle: apparatus for treating diseases
Publisher: Great Seal Patent Office
Published: 1869
Place of publication: London
Language: eng
Number of pages: 10
Subjects: Vacuum
Description: Patent for a case-like device in which the patient sits, air is removed from a series of suction cups and this is supposed to help.
Notes: Cover title.

At head of title: A.D. 1868, 4th December. No. 3691.

John Henry Johnson, of no.47, Lincoln's Inn Fields, in the county of Middlesex, gentleman".