X-radiograph(s) of "The Magdalen"

X-Radiograph Description: X-Radiograph X-Radiograph Settings: 5 ma, 40 kv, 90 sec.; 5 ma, 35 kv, 90 sec.; 5 ma, 30 kv, 90 sec. Burroughs Number: 4099 X-Radiograph(s) of: Artist: Raphael, Italian, 1483-1520 Title: The Magdalen Description: Panel (poplar?) uncradled, 9 mm thick