Fig. 4From: The practice of writing inside an Egyptian monastic settlement: preliminary material characterisation of the inks used on Coptic manuscripts from the Monastery of Apa Apollo at BawitVisible, UV and NIR micro-photographs (magnification: ×50) of inked spots on P.Monts.Roca Inv. 227, Inv. 345 and a mock-up sample of plant inkBack to article page