substanceYellow VarnishColors & materialsA named craft material / finish lemma (Yellow Varnish) drawn as an exact public-domain workshop phrase.Yellow Varnish is historically related to Ochre.merrifield-painting seats orphan yellow-varnish beside ochre as a first craft peer — object speech, not a text-container or tradition dump.from Mary Philadelphia Merrifield · Original Treatises on the Arts of Painting, 1849historically related to · sourced · documentedsourcesOriginal Treatises on the Arts of Painting · Mary Philadelphia MerrifieldMary Philadelphia Merrifield, Original Treatises on the Arts of Painting (1849).