ABSTRACT
In conformity to the Act of the Congress of the United States, entituled ‘An Act for the encouragement of Learning, by securing the copies of Maps, Charts, and Books, to the Authors and Proprietors of such copies during the times therein mentioned;5 and also to an Act, entituled ‘ An act supplementary to an Act, entituled, “ An Act for the encouragement of Learning, by securing the copies of Maps, Charts, and Books, to the Authors and Proprietors of such copies, during the times therein mentioned;55 and extending the benefits thereof to the arts of Designing, Engraving, and Etching historical and other prints.5
