Ad colorandum pannum lineum album colore griseo
Primum pannum lineum trahe per colorem nigrum Vel Recipe cortices alni quantitate simili buli peroptime in aqua pluuiali et erit colore nigri in illo intingas pannum lineum deinde in aqua aluminis et permitte siccari vtraque deinde intinge in secundam colaturam decogcionis presiligis et permitte siccari et sufficit