THE

ELEMENTS OF EUCLID,

BOOKS I-VI.; XI. 1-21; XII. 1, 2;

LONDON:

GILBERT & RIVINGTON, PRINTERS,

ST. JOHN'S SQUARE.

ΤΟ

ROBERT PITT EDKINS, ESQ., M.A.

PROFESSOR OF GEOMETRY IN GRESHAM COLLEGE,

AND SECOND MASTER OF THE CITY OF LONDON SCHOOL,

THIS EDITION OF

THE ELEMENTS OF EUCLID,

IS RESPECTFULLY DEDICATED,

BY

HIS OLD PUPIL.