Stillman & Birn, Gamma Series Softbound Sketchbooks, Various Sizes Copier Paper Since the ink is water-based

Since the ink is water-based you can dilute the ink with water to create more tonal effects

the finest refined linseed oil and marble dust (calcium carbonate)

The result is an oil stick with a lipstick soft consistency

Walnut oil effectively removes color from artists' brushes and is a natural vegetable oil that does not evaporate or remove essential oils from the artists' brushes

This 12-color set includes 12ml tubes of burnt sienna

Stillman & Birn, Gamma Series Softbound Sketchbooks, Various Sizes Copier Paper Since the ink is water-basedThe Gamma Series is identical to the Alpha Series, except that its color is ivory instead of white. The ivory shade provides artists with the choice of a hearty, warm toned canvas for subjects that call for rich, mellow backdrops. Heavyweight: 150 gsm Shade: Ivory Surface: Medium Grain Media: Dry Media, Light Wash, Ink Sizes: 3. 5" x 5. 5" 92 pages 5. 5" x 8. 5" 92 pages 8" x 10" 92 pages 5. 5" x 3. 5" Landscape 92 Pages