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 adapted to the rules, for the use of schools and academies, by an experienced teacher.
|Main Author:||Welch, Oliver.|
Portland, Me. : Sanborn & Carter, 1846, c1834.
Early works to 1900.
"A practical system of book-keeping for farmers and mechanics"--p. -228.
xxii, -218 p. :
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