THE

ELEMENTS OF EUCLID,

VIZ.

THE FIRST SIX BOOKS,

TOGETHER WITH

THE ELEVENTH AND TWELFTH;

AND ALSO

THE BOOK OF EUCLID'S DATA.

BY ROBERT SIMSON, M. D.

EMERITUS PROFESSOR OF MATHEMATICS IN THE UNIVERSITY OF GLASGOW.

BELL & BRADFUTE; STIRLING & KENNEY; AND OLIVER & BOYD:
JAMES DUNCAN; GEO. COWIE & CO.; AND T. ALLMAN, LONDON ;

AND JOHN CUMMING, DUBLIN.

MDCCCXXXV.

James Walker, Printer, 6. James's Court, Lawnmarket,

Edinburgh,

Thin
9-12-37
34691

CONTENTS.

-

The ELEMENTS OF EUCLID,

Notes on the Elements,

Euclid's Data,

Notes on the Data,

Plane TRIGONOMETRY,

Rules for Plane Triangles,

Construction of Trigonometrical Canon,

SPHERICAL TRIGONOMETRY,

Napier's Rules for the Circular Parts,

Rules for Right Angled Spherical Triangles,

Rules for Oblique Angled Spherical Triangles,

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