Facts about processes, pigments, and vehicles : a manual for art students (1895)
Laurie, A. P. (Arthur Pillans), 1861-1949 · London ; New York : Macmillan · leaf 49
32 PROCESSES, PIGMENTS, AND VEHICLES separated from solids suspended in them, the liquid escaping through the pores. If you wish to 'filter' a liquid, take one of the filter papers, fold it in half, and fold it again so that it is cone-shaped. Now open it out so as to make a little cone-shaped bag. … riLTRATIOK fit it into a glass funnel, and pour in the liquid to be filtered. When a filter paper cannot be obtained, a piece of blotting-paper will do.) After filtering the liquid, open out the filter paper and leave the green precipitate exposed to the air. It will gradually turn of a…
Painting · Artists' materials · Color
Internet Archive · Cornell University Library · Public domain (published before 1931). Free to use for anything.
