This medium is better than distemper painting, as it easily produces evenness of tint.
The tone of this caseine painting may be altered at any time by spraying the surface with water and paint ing into it the tone desired.
The common window shade having an oil ground is well adapted to the medium.
When placing the model before the background, we should not be hampered by the .feeling that there is not sufficient material behind him to allow for the accidents that come during these operations. It would be well, therefore, to have the background of large dimensions, giving much space above the head of the sitter, and ample room on the sides. It should also be brought forward on the floor quite far to the foreground. The usual floor line is eliminated by shaping the material curvewise for ward from the wall to the floor.
PROCESS NO. I
It is the varying densities of the film that cause the image to appear to us, when we hold the negative to the light. Our art begins with the alterations we produce in these densities to harmonize the parts. We should be able to produce at will, dark or light lines, sharp or soft lines, also tones of any degree of light or dark. Medium A will produce the dark.