Raw materials. Top row; Gum Arabic, Lite peach tree gum. dark peach gum, 2nd. row Gamboge , Indigo. 3rd. row Dragons Blood resin warped in reed, various Animal glues ( fish scale, rabbit skin, horn, blood.). 4th. row modern poly glues ( water soluble), polyvinyl chloride, polyacrilamid, polyvinyl alcohol and [to left] mixed gum mucilage.