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Dean's Stereotype Edition.

6 ELEMENTS

OF

GEOMETRY:

CONTAINING

THE FIRST SIX BOOKS OF EUCLID,

WITH A

SUPPLEMENT

ON THE

QUADRATURE OF THE CIRCLE, AND THE
GEOMETRY OF SOLIDS:

TO WHICH ARE ADDED,

ELEMENTS OF PLANE AND SPHERICAL
TRIGONOMETRY.

BY

JOHN PLAYFAIR, F.R.S. Lond. & Edin.

PROFESSOR OF NATURAL PHILOSOPHY, FORMERLY OF MATHEMATICS, IN THE
UNIVERSITY OF EDINBURGH.

FROM THE LAST LONDON EDITION, ENLARGED.

AD

NEW YORK:

W. E. DEAN, PRINTER, & PUBLISHER.

E que T 148.44.695

HARVARD COLLEGE LIBRARY
GIFT OF

JULIUS R. WAKEFIELD

FEB 20 193L

Entered according to the Act of Congress, in the year One Thousand Eight Hundred and Thirty-five, by W. E. DEAN, in the Clerk's Office of the Southern District of New-York.

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