books.google.co.ukhttp://books.google.co.uk/books/about/The_Repertory_of_patent_inventions_forme.html?id=F1gEAAAAQAAJ&utm_source=gb-gplus-shareThe Repertory of patent inventions [formerly The Repertory of arts, manufactures and agriculture]. Vol.1-enlarged ser![The Repertory of patent inventions [formerly The Repertory of arts, manufactures and agriculture]. Vol.1-enlarged ser](http://books.google.co.uk/books?id=F1gEAAAAQAAJ&printsec=frontcover&img=1&zoom=1&edge=curl&imgtk=AFLRE71Yl4nQqOZ22yaGljmRZm_otyMu1vLj1Nsi8i5hpW0GQc8N0eezD3-QLtIppeoFZmeVLRyfhXnhwuLJ79dJmo7e8NPDdOU22hfJMi3fYBg1HKN05tY "The Repertory of patent inventions [formerly The Repertory of arts, manufactures and agriculture]. Vol.1-enlarged ser")
