Artist Ron Sanders presents a comprehensive look at oil colors and painting techniques prior to the 20th century. Explanation of mediums, grounds, supports, pigments, techniques and much more. Quotes from and about master artists and...

Illustrated overview of oil paints and oil-painting techniques.

Illustrated essay on the principle of unity, also known as harmony, explains how the grouping techniques of alignment, proximity, similarity, and continuity can be used to create a unified, harmonious composition.