Specification of Henry Negretti and Joseph Warren Zambra
Subtitle: health indicator
Contributors: Zambra, Joseph Warren
Publisher: Great Seal Patent Office
Published: 1875
Place of publication: London
Language: eng
Subjects: Diagnostic Equipment; Body Temperature; Thermometers
Description: Patent for an "instrument to be used in the diagnosis of diseases".
Notes: Cover title.

At head of title: A.D. 1874, 19th October. No. 3585.

"Henry Negretti and Joseph Warren Zambra, both of Holborn Viaduct, in the city of London, meteorological instrument makers".