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SCHOOLMASTER'S ASSÍSI

IMPROVED AND ENLARGED,

BEING A

PLAIN PRACTICAL SYSTEM

OF

ARITHMETI

ADAPTED TO

THE UNITED STATÉS.

BY NATHAN DABOLL

WITH THE ADDITION OF THE

FARMERS' AND MECIIANICKS' B

METHOD OF BOOK-KE

DESIGNED AS A

COMPANION TO DABOLL'S ARITHME

BY SAMUEL GREEN.

I THACA, N. Y., PRINTED AND PUBLISHED BY MACK, ANDRUS AN

1835.

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01

MA

District of Cornecticut, ss.
BE IT REMEMBERED, That on the twenty-eighth day of September, in the forty

fifth year of the Independence of the United States of America, Samuel Green, Sh. 8.) of said District, hath deposited in this

office the title of a Book, the righi whoreof he claims as proprietor, in the words following, to wit: . “ Daboll's Schoolmaster's Assistant, improved and enlarged. Being a plain prac Scal system of Arithmetick. Adapted to the United States. By Nathan Daboll.";

In conformity to the Act of the Congress of the United States, entitled, “ An Ac for the encouragement of learning, by securing the Copies of Maps, Charts, and Books, ho the authors and proprietors of them, during the times therein mentioned.”

HENRY W. EDWARDS,

Clerk of the District Connecticut
A true copy of Record : Examined and sealed by me,

H. W EDWARDS,
Clerk of the District of Connecticut

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RECOMMENDATIONS

HARVARD COLEGE LIBRARY

GIT OF THE SECTIONAL L!C8ARY OF BOSTON

DEC 11 1935

Yale College, Nov. I HAVE read DABOLL'S SCHOOLMASTER'S The arrangement of the different branches < is judicious and perspicuous. The author plained Decimal Arithmetic, and has applier and elegant manner in the solution of vario and especially to those relative to the Federal of money. I think it will be a very useful bo masters and their pupils. JOSIAH MEIGS, Professor of

and Naturali [Now Surveyor-General of the United

!, That on the twenty-eighth day of September, in the larg pendence of the United States of America, Samuel Greek

, ath deposited in this office the title of a Book, the right Plor, in the words following, to wit:Assistant, improved and enlarged. Being a plain prie Adapted to the United States. By Nathan Deboll." of the Congress of the United States, entitled, "An de ning, by securing the Copies of Maps, Charts, and Books, s of them, during the times therein mentioned."

HENRY W. EDWARDS,

Clerk of the District of Connecticut
Eramined and sealed by me,

H. W EDWARDS,
Clerk of the District of Connecticut

I have given some attention to the wor tioned, and cancur with Mr. Professor Meigs of its merit.

NOAH V New-Haven Dec. 12, 1799.

Rhode Island College, N I HAVE run through Mr. DABOLL'S S ASSISTANT, and have formed of it a very favo According to its original design, I think it w to furnish Schools in general with a metho comprehensive System of Practical Arithm fore hope it may find a generous patronag extensive spread. ASA MESSER, Professor of the Lear

and teacher of {Now President of that Institut

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Plainfeld Academy, April 20, 1802 I JKR use of DARQLL'S SCHOOLMASTER'S ASSISTANT ma teaching common Arithmetic, and think it the best cal Culated for that purpose of any which has fallen within my pbservation. JOHN ADAMS,

Rector of Plainfield Academy. (Now Principal of Philips' Academy, Andover, Mass,]

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Billerica Academy, (Mass.) Dec. 10, 1807. HAVING examined Mr. DABOLL's System of Arithmetic, I am pleased with the judgment displayed in his method, and the perspicuity of his explanations, and thinking it as easy and comprehensive a system as any with which I am acquainted, can cheerfully recommend it to the patronage of Instructers.

SAMUEL WHITING,

Teacher of Mathematics.

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From Mr. Kennedy, Teacher of Mathematics. | BECAME acquainted with DABOLL'S SCHOOL MASTER'S ASSISTANT, in the year 1802, and on examining it attenLively, gave it my decisive preference to any other system Aztánt, and immediately adopted it for the pupils under my charge; and since that time have used it exclusively in elementary tuition, to the great advantage and improvement of the student, as well as the ease and assistance of the preceptor. I also deem it equally well calculated for the benefit of individuals in private instruction ; and think It my duty to give the labour and ingenuity of the author The tribute of my hearty approval and recommendation,

ROGER KENNEDY New-York, March 20, 1811.

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