A Fine Yellow.
Dissolve realgar with one part of orpiment, with aqua fortis.
White.
Put the white into an earthen pot, and lay it no thicker than a string, and let it stand in the sun undisturbed for 2 days; and in the morning when the sun has dried off the night dews.
622.
To make reddish black for flesh tints take red rock crystals from Rocca Nova or garnets and mix them a little; again armenian bole is good in part.
623.
The shadow will be burnt,terra-verte'.
624.