Specification of Frederic Louis Lawrence
Subtitle: coloring and hardening elastic gums for dental purposes
Publisher: Great Seal Patent Office
Published: 1860
Place of publication: London
Language: eng
Subjects: Rubber; Gingiva; Dentures
Notes: At head of title: A.D. 1859, 9th August. No.1842.

"Frederic Louis Lawrence, of 50, Berners Street, Oxford Street, in the County of Middlesex, dentist."