substanceClean BrushColors & materialsA named craft material / finish lemma (Clean Brush) drawn as an exact public-domain workshop phrase.Clean Brush is historically related to Ochre.painters-decorators seats orphan clean-brush beside ochre as a first craft peer — object speech, not a text-container or tradition dump.from An Old Hand · Hints for Painters, Decorators, and Paper-Hangers, PD Gutenberg #68866historically related to · sourced · documentedsourcesHints for Painters, Decorators, and Paper-Hangers · An Old HandAn Old Hand, Hints for Painters… (PD Gutenberg ed.).