AND

TRIGONOMETRY:

BEING THE

THIRD PART OF A SERIES

ON

ELEMENTARY AND HIGHER

GEOMETRY, TRIGONOMETRY, AND MENSURATION,

CONTAINING MANY VALUABLE DISCOVERIES AND IMPROVEMENTS IN MATHEMATICAL
SCIENCE, ESPECIALLY IN RELATION TO THE QUADRATURE OF THE CIRCLE,
AND SOME OTHER CURVES, AS WELL AS THE CUBATURE OF CERTAIN
CURVILINEAR SOLIDS; DESIGNED AS A TEXT-BOOK FOR COLLEGIATE

AND ACADEMIC INSTRUCTION, AND AS A PRACTICAL
COMPENDIUM OF MENSURATION.

BY NATHAN SCHOLFIELD.

NEW YORK:

PUBLISHED BY COLLINS, BROTHER & CO.

No. 254 Pearl Street.

.....