A THEORY OF
PURE DESIGN
Harmony, Balance, Rhythm

WITH ILLUSTRATIONS AND DIAGRAMS

By Denman W. Ross, Ph. D.

LECTURER ON THE THEORY OF DESIGN IN HARVARD
UNIVERSITY, FELLOW OF THE AMERICAN ACADEMY
OF ARTS AND SCIENCES

BOSTON AND NEW YORK
HOUGHTON, MIFFLIN AND COMPANY
MDCCCCVII

A THEORY OFPURE DESIGNHarmony, Balance, Rhythm