Specification of John Henry Johnson
Subtitle: plates for artificial teeth
Publisher: Great Seal Patent Office
Published: 1869
Place of publication: London
Language: eng
Subjects: Dentures
Notes: Cover title.

At head of title: A.D. 1868, 23rd December. No. 3924.

John Henry Johnson, of 47, Lincoln's Inn Fields, in the county of Middlesex, gentleman".