Patents for inventions
Subtitle: abridgments of specifications relating to books, portfolios, card-cases, &c., A.D. 1768-1866
By: printed by order of the Commissioners of Patents.
Publisher: Office of the Commissioners of Patents for Inventions
Published: 1870
Place of publication: London
Language: eng
Number of pages: 198
Subjects: Bookbinding -- Patents -- Great Britain.
Notes: Includes index.