X-radiograph(s) of "Nativity"

X-Radiograph Description: X-Radiograph X-Radiograph Settings: 5 ma, 45 kv, 90sec.; 5 ma, 45 kv, 105 sec. Burroughs Number: 4123 X-Radiograph(s) of: Artist: Italian School Title: Nativity Date: 13th century Description: Panel, uncradled, 1 1/4'' thick, oak (est.)