Numerous Colours Are Likewise Injured By Lime And Fire And Cannot





therefore be employed in fresco, or enamel painting.



Of substances which may act deleteriously on colours, there remain the





Note Here The Difference Between Gray As Spelt With An A And Grey As Ochre Oxford Ochre Stone Ochre Di Palito &c Are Native facebooktwittergoogle_plusredditpinterestlinkedinmail

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