“Item Make a big light from tallow in a pan and light it and split a stick and put incense in between and hold it under a basin which is put over it and burn the incense in the light, so soot will settle on the basin, brush it off with a feather. Take resin from Arabia (gum Arabic) and put it in water that it dissolves and then mix it with it, it becomes a beautiful, wonderful color with which you can color whatever you want.” Hs 181503. 1451-1500. Nuremberg, Germanisches National Museum, Hs 181503: fol. 1r.