Specification of Joseph Mayer
Subtitle: specula
Publisher: Great Seal Patent Office
Published: 1870
Place of publication: London
Language: eng
Subjects: Surgical Instruments
Description: Patent for an improved speculum.
Notes: At head of title: A.D. 1870, 6th April. No. 1010.

"Joseph Mayer, of the firm, of Mayer and Meltzer, of no.59, Great Portland Street, in the county of Middlesex, surgical instrument makers".