Fig. 3From: Chemical-technological research and radiocarbon AMS dating of wall painting fragments from the ruins of the XIIth-XIIIth centuries AD church from archaeological excavations in the city of Smolensk, RussiaA part of a clay ceramic voice speaker (1), a part of a window glass (2), fragments of glazed tiles (3,4), detail of lead frame from window (5) from the churchBack to article page