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B. June 17,1975)



BE IT REMEMBERED, That on the twents. L. S.

first day of October, in the thirty-sixth year of the Independence of the United States of America, UEL GREEN, of sand District, hath deposited in this on the title of a Book, the right whereof he claims as Proprie tors in the words following, to wit:-- Daboll's School maste's Assistant : improved and enhangedben plain practical system of Aritimetic: adapted to the United States. Stereotype Edition. By NATHAN DABOLL.”

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 them during the times therein mentioned.”


Clerk of the District of Connecticut. A true copy of Recos. Examined and sealed by me,

H. W EDWARDS, Clerk of the Dist. of Conn..., RECOMMENDATIONS.


YALE-COLLEGE, Nov. 27, 1799. I HAVE read DaBoll's ScHOOIMASTER'S ASSISTANT. The arrangement of the different branches of Arithmetic istjudicious and perspicuous. The author has well ex- ' plained Decimal Arithmetic, and has applied it in a plain and elegant manner in the solution of various questions, and especially to those relative to the Federal Computation of money. I think it will be a very useful book to Schoolmasters and their pupils.

.. JOSIAH MEIGS, Professor of

Mathematics and Natural Philosophy. [Since Surveyor-General of the United States.

I HAVE given some attention to the work above mentioned, and concur with Mr. Professor Meigs in his opinion of its merit.

· NOAH WEBSTER. New-Haven, December 12, 1799.

RHODE-ISLAND COLLEGE, NOV. 30, 1799. I HAVE run through Mr. DABOLL'S SCHOOLMASTER'S Assistant, and have formed of it a very favorable opin- . ion. According to its original design, 'I think it well “ calculated to furnish Schools in general with a method. ical, easy and comprehensive System of Practical Arith metic." I therefore hope it may find a generous patra age, and have an extensive spread.:

ASA MESSER, Professor of
Learned Languages, and Teacher of Mathemat

(President of that Institution.

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