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WELCH'S IMPROVED
AMERICAN ARITHMETIC,

ADAPTED TO THE

CURRENCY OF THE UNITED STATES.

TO WHICH IS ADDED

A CONCISE TREATISE

ON THE

MENSURATION OF PLANES AND SOLIDS.

COMPILED BY

OLIVER WELCH.

IMPROVED AND ILLUSTRATED, WITH QUESTIONS ADAPTER

TO THE RULES, FOR THE USE OF

SCHOOLS AND ACADEMIES.

ols

BY AN EXPERIENCED TEACHER.

PORTLAND, ME.
SANBORN, SHERBURNE & CO.

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Entered according to act of Congress, in the year 1834,
By Rurus MERRILL, in the Clerk's Office of the District
Court of the District of Massachusetts.

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ADVERTISEMENT. To meet the wishes of many instructers, a short COMPENU OF MENTAL ARITHMETIC has l een prefixed to the book, in the hope that it will now be found to contain all that is necessary. The compend is confined to simple elementary rules, in order to furnish an introduction to the study.

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