Many Colours Are Apt To Change From The Action Of White Lead And Other





lead pigments, &c., principally those which are altered by light and

air.



Many, too, cannot safely come into contact with iron, or ferruginous

pigments; especially the yellows of arsenic, the lakes of cochineal, and

the blues and greens of copper. With these an iron palette knife is best

avoided, one of ivory or horn being used instead. The latter, indeed, is

preferable in all cases, several pigments being slightly affected by

iron, cadmium yellow among the number.





Madder Or Madder Lake Speaking Of Pink Roses Mrs Duffield Remarks May Be Said Of Chinese Lake facebooktwittergoogle_plusredditpinterestlinkedinmail

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