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IMPROVED AND ENLARGED
A PLAIN PRACTICAL SYSTEM
ADAPTED TO THE UNITED STATES..
BY NATHAN DABOLL.
WITH THE ADDITION OY THY
FARMERS' AND MECHANICS'
BEST METHOD OF BOOK-KLEPING,
DEIIONED 41 4
COMPANION TO DABOLL'S ARITHMETIO.
BY SAMUEL GREEN.
PRINTED AND SOLD BY GARDINER TRACY,
LATE HASTINGS & TRACY.
By Permission of the Proprietori
DIST RICT OF CONNECTICUT, 8S.
the forty-ninth year of the Independence of the United Sintes os America, Samu'EL GREEN, of said Districi, hath deposited in this office the tiile of a Book, the right vereof he claims as Proprietor, in the words tollowing, to wil"Paboll's Schonin aster's Assistant: inprover and enlarged. Heing spain, practical syslen of Arilnetic: adapted in the Unitou Slatos. By Nathan Bacall.win the addition of the Practical Accountant, or Fire Ders' and Mechanics' bes' motund of Book-keeping, for the easy instruction of Youth. Liceigned as a Companion to Daboll'8" Arithinctic. Hy Sainuc): Green."
In conformity to the Act of Congress of the United Staces, entitled. “da. Act for the encourageinent of Icarning, ly securing the copice of Maps. Claris, and Books, to the Authors and Proprietors of them during the times therwin: mentioned."
CHARLES A. INGERSOLL,
Clerk of the District of Connecticut. A true copy of Rotard Examined and scaled by me:
CHARLES A. INGERSOLL, Clerk of the District of Connsticul:
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 Computation of money. I think it will be a very useful book to Schoolmasters and their pupils.
JOSIAH MEIGS, Professor of
Mathematics and Nutural Philosophy. [Now 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 favourable opinion. According to its original design, I think it well 6 calculated to furnish Schools in general with a methodical, 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.]