THE SEVERAL RULES OF THAT USEFUL SCIENCE ARE A LARGE PROPORTION OF WHICH ARE IN FEDERAL MONEY. THE WHOLE DESIGNED TO ABRIDGE THE LABOUR OF TEACHERS, AND TO FACILITATE THE INSTRUCTION OF YOUTH. A New Edition, with Corrections and Additions by the Author. KOHTAVNO CELULEGE L竹、 Eastern District of Pennsylvania, to wit: BE IT REMEMBERED, That on the Fourteenth day of August, in the forty-ninth year of the Independence of the United States of America, A. D. 1824, M'Carty & Davis, of the said district, have deposited in this office the title of a book the right whereof they claim as proprietors in the words following, to wit: "The Teacher's Assistant, or a System of Practical Arithmetic; wherein the several Rules of that useful science, are illustrated | by a variety of Examples, a large proportion of which are in Federal Money. The whole designed to abridge the labour of Teachers, and to facilitate the instruction of youth. A new edition, with corrections and additions by the author. Compiled by Stephen Pike." In Conformity to the Act of the Congress of the United States, entitled, "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;"-And also to the Act, entitled, "An Act supplementary to an Act, entitled, "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 time therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and etching historical and other prints." D. CALDWELL, Clerk of the Eastern District of Pennsylvania. |