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BE IT REMEMBERED, that on the thirtieth day of October, A. D. 1822, and in the o. of the Independence of the United States, of America, Warren Cosburn, of the said district, has deposited in his office the title of a book, the right whereof he claims as author, in the words following, to wit:
“Arithmetic; being a Sequel to First Lessons in Arithmetic. By Warren Colburn.”
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 an act, entitled, “An act supplementary to an act, entitled, An act for the encouragement of learning, by *"...; the copies of maps, charts, and books, to the authors and proprietors of such copies, during the times therein mentioned; and extending the benefits thereof to the arts of designing, engraving, and etching, historical and other prints.” JNO. W. DAVIS, Clerk of the District ef Massachusetts. RECOMMENDATIONS.
JFrom B. A. Gould, Principal of the Public Latin School, Boston.
Boston, 22d Oct., 1822.
I have been highly gratified by the examination of the second part of your Arithmetic. The principles of the science are unfolded, and its practical uses explained with great perspicuity and simplicity. I think your reasonings and illustrations are peculiarly happy and original. This, together with your “First Lessons,” forms the most lucid and intelligible, as well as the most scientific system of Arithmetic I have ever seen.—Its own merits place it beyond the need of commendation.
With much esteem,
B. A. GOULD. Mr. WARREN Colbu RN.
From G. B. EMERson, Principal of the English Classical School, Boston.
Boston, 22d Oct., 1822. DEAR SIR, I have carefully examined a large portion of your manuscript, and do not hesitate to recommend it very highly to every person who wishes to teach arithmetic intelligibly. The arrangement is very much