An unstandardized term that has been applied to various white pigments (Mayer 1969). Most commonly it has been used for lead white that has been diluted, or cheapened, by the addition of barium sulfate.
R. Mayer, A Dictionary of Art Terms and Techniques, Harper and Row, New York, 1969.
Sources Checked for Data in Record
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 445
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985