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12

SCHOOLMASTER'S ASSISTANT,

IMPROVED AND ENLARGED.

BEING A

PLAIN PRACTICAL SYSTEM

OF

ARITHMETICK.

ADAPTED TO

THE UNITED STATES.

BY NATHAN DABOLL.

WITH THE ADDITION OF THE

FARMERS' AND MECHANICKS' BEST

METHOD OF BOOK-KEEPING,

DESIGNED AS A

COMPANION TO DABOLL'S ARITHMETICK.

BY SAMUEL GREEN.

ITHACA, N. Y. :

ANDRUS, WOODRUFF, & GAUNTLETT.

1913.

Purchase F.B. Hartranft

ARVARD

NIVERSITY
LIBRARY

474130

May 29, 1912.

Entered according to Act of Congress, in the year 1839,

by MACK, ANDRUS, & WOODRUFF, in the Clerk's office of the Northern District of New York.

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