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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, IX TER

UNIVERSITY OF EDINBURGH.

FROM THE LAST LONDON EDITION, ENLARGED.

PHILADELPHIA:.....
LIPPINCOTT, GR Á M BO& CO.

(1854.

RM

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