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12

SCHOOLMASTER'S ASSISTANT,

IMPROVED AND ENLARGED.

BEING A

PLAIN PRACTICAL SYSTEM

OF

ARITHMETICK.

ADAPTED TO

TIIE UNITED STATES.

BY NA TILAN DABOLL.

WITII TIE ADDITION OF THE

FARMERS AND MECILANICKS' BEST

METHOD OF BOOK-KEEPING,

DESIGNED AS A

COMPANION TU DABOLL'S ARITHMETICK,

BY SAMUEL GREEN.

I THACA, N. Y.:

ANDRUS, WOODRUFF, & GAUNTLETT.

1913.

Purchase FB. Hartrausts

may 29,1912.

HRVARD
HIVERSITY
LIBRARY
477130

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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