Third Edition of Welsh's
American Arithmetic.
JUST RECEIVED AND For SALE AT THE


PORTLAND BOOKSTORE,


No. 2, Merchants Row, MtddLe-Strees,
{"newspaper_name": "The Portland gazette.", "edition": "01", "page": "p6", "byline": ""}
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BY ISAIAH THOMAS,
TTyHEs THIRD EDITION OF WELsH's A
L MEXICAN ARITHMETIC, adapted to
the currency of the United States to which is add
ed concise treatise on the Mensuratiox of Planes
and Sods--and also short system or book keep
ing by single entry, designed for the use Of far
mers, retailers and Mechanicks--price S. per doz.
So cents single.