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DABOLL'S ROE
F.ROF.
SCHOOLMASTER'S ASSISTANT

IMPROVED AND ENLARGED:

BEING

A PLAIN PRACTICAL SYSTEM

OF

ARITHMETIC,

ADAPTED TO THE UNITED STATES.

BY NATHAN DABOLL

WITH THE ADDITION OF THE

FARMERS' AND MECHANICS

BEST METHOD OF BOOK-KEEPING

DESIGNED AS A

COMPANION TO DABOLL's ARITHMETIC.

BY SAMUEL GREEN.

UTICA:

PRINTED AND SOLD BY HASTINGS & TRACT,
By Permission of the Proprietor.

1829.

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DISTRICT OF CONNECTICUT, 88.

L. 8. BE IT REMEMBERED. 'That on the eleventh day of January, in the forty-ninth year of the independence of the United States of America, SAMUEL GREEN, of said District, hath deposited in this office the title of a Book, the right whereof he claimsas Proprietor, in the words following, to wit: "Daboll's Schoolmaster's Assistant: improved and enlarged. -Being a plain, practical system of Arithmetic adapted to the United States. By Nathan Daboll. -With the addition of the Practical Acountant, or Farmers' and Mechanics' best method of Book-keeping for the easy instruction of Youth. Designed as a companion to Daboll's Arithmetic. By Samuel Green."

In conformity to the Act of 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. CHARLES A. INGERSOLL, Clerk of the District of Connecticut.

A true copy of Record. Examined and sealed by me:
CHARLES A. INGERSOLL.
Clerk of the District of Connecticut.

HARVARD
UNIVERSITY
LIBRARY

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Yale-College, Nov. 27, 1799. I HAVE read DABOLL'S SCHOOLMASTER'S ASSISTANT. The arrangement of the different branches of Arithmetic is judicious and perspicuous. The author has well explained 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 Computa tion of money. I think it will be a very useful book to Schoolmasters and their pupils.

JOSIAH MEIGS, Professor of
Mathematics and Natural Philosophy.
[New Surveyor-General of the United States.]

I HAVE given some attention to the work above men-
tioned, and concur with Mr. Professor Meigs in his opin
ion of its merit.
NOAH WEBSTER.

New-Haven, Dec. 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 favourable opin、 I ion. According to its original design, I think it well "calculated to furnish Schools in general with a methodi cal, easy, and comprehensive System of Practical Arithmetic." I therefore hope it may find a generous patronage, and have an extensive spread.

ASA MESSER, Professor of the
Learned Languages, and teacher of Mathematics.
[Now President of that Institution.]

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