TRILINEAR CO-ORDINATES.

Cambridge:

PRINTED BY C. J. CLAY, M.A.

AT THE UNIVERSITY PRESS.

AN ELEMENTARY TREATISE

ON

TRILINEAR CO-ORDINATES,

THE METHOD OF RECIPROCAL POLARS,

AND THE THEORY OF PROJECTIONS.

BY THE REV.

Norman Macleod

N. M. FERRERS, M.A.

FELLOW AND TUTOR OF GONVILLE AND CAIUS COLLEGE.

SECOND EDITION.

с

London and Cambridge:

MACMILLAN AND CO.