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

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 & TRACY,
By Permission of the Proprietor.

1830.

QA 701 .D/2 1830

DISTRICT OF CONNECTICUT,

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.