دیتی ، باد و با

Entered accordiag to Act of Congress, in the year 1849, by

SANBORN & CARTER, In the Clerk's Office of the District Court of the District of Maine.

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have learned to
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difficult departe

their peculiar
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give the minds
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ation for their
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afford materials
in their solution

The tables pro
tion of numbers
solution of the
them. These

combination of gradually advan the ability to ma

A solution of every new combs model form of upon his mind

Stereotyped by

HOBART AND ROBBINS ; New England Type and Stereotype Foundery,

Boston.

Engravings by WILLIAM JAY BAKER,

Portland.

and of giving