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AND

PRACTICAL GEOMETRY;

CONTAINING

TABLES OF WEIGHTS AND MEASURES, VULGAR AND

DECIMAL FRACTIONS,

MENSURATION OF AREAS, LINES,

SURFACES, AND SOLIDS,

LENGTHS OF CIRCULAR ARCS, AREAS OF SEGMENTS AND

ZONES OF A CIRCLE, BOARD AND TIMBER MEASURE,

CENTRES OF GRAVITY, &c., &c.

TO WHICH IS APPENDED A

TREATISE ON THE CARPENTER'S SLIDE-RULE AND

GAUGING.

BY CHAS. H. HASWELL,

OIVIL AND MARINE ENGINEER.

NEW YORK:

HARPER & BROTHERS, PUBLISHERS,

FRANKLIN SQUARE.

185 8.

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Entered, according to Act of Congress, in the year one thousand

eight hundred and fifty-eight, by

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In the Clerk's Office of the District Court for the Southern

District of New York.

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TO

NELSON J. WATERBURY, ESQ.,

AS A TRIBUTE TO THE ZEAL, ENTERPRISE, AND PHILANTHROPY

HE HAS SO SUCCESSFULLY DISPLAYED, AS A MEMBER OF THE NEW YORK BOARD OF EDUCATION, IN THE

ADVANCEMENT OF PUBLIC TUITION.

NEW YORK, May, 1858.

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