Great Britain. Patent Office.

2 books

Books by Great Britain. Patent Office.

Illustrated British firearms patents, 1714-1853 by Great Britain. Patent Office. - Book Cover

Illustrated British firearms patents, 1714-1853

Great Britain. Patent Office.

Printing patents: abridgements of patent specifications relating to printing, 1617-1857 by Great Britain. Patent Office. - Book Cover

Printing patents: abridgements of patent specifications relating to printing, 1617-1857

Great Britain. Patent Office.