Ross, a Harvard teacher and collector, sets out to show that art is not merely inspiration and taste but follows principles anyone can learn. He defines three orders, harmony, balance and rhythm, and works through dots, lines and areas, tones and measures, with many numbered diagrams demonstrating how movement and convergence can reinforce or contradict each other.
An influential early treatise on abstract design, still useful to artists, designers and students of visual form. Download the free EPUB.