The colours Pg 175 are known in the trade as tempera colours.
When not painting fresco he is constant to the use of tempera.
First there are the tempera pictures, or “frescoes,” as he termed them.
“Bianca” was painted in tempera from a beautiful young American.
He painted in tempera and finished his work with care and deliberation.
Will you kindly advise me on the tempera, ...