Specification of John James Watt
Subtitle: destroying animal poison
Publisher: Great Seal Patent Office
Published: 1857
Place of publication: London
Language: eng
Description: Patent for "a certain chemical agent [by which] animal poison may be destroyed, and the disease consequent thereon effectually prevented"uwhich seems to translate as using chlorine to prevent venereal diseases.
Notes: Cover title.

At head of title: A.D. 1828. No. 5643.

"John James Watt, of Stacy Street, Stepney, in the county of Middlesex, surgeon".