substanceNatural JapanColors & materialsA named craft material / finish lemma (Natural Japan) drawn as an exact public-domain workshop phrase.Natural Japan is historically related to Iron.japanning-handbook seats orphan natural-japan beside iron as a first craft peer — object speech, not a text-container or tradition dump.from William Norman Brown · Handbook on Japanning, PD Gutenberg #15622historically related to · sourced · documentedsourcesHandbook on Japanning · William Norman BrownWilliam Norman Brown, Handbook on Japanning (PD Gutenberg ed.).