X-radiograph(s) of "Madonna and Child with Two Angels"

X-Radiograph Description: X-Radiograph X-Radiograph Settings: 5 ma, 50 kv, 1.5 min. Burroughs Number: 4418 X-Radiograph(s) of: Artist: Ghirlandaio, Ridolfo, Italian, 1483-1561 Title: Madonna and Child with Two Angels Date: 1510-1515 Description: oil emulsion? on Poplar panel, tondo Owner: Harvard University Art Museums Object Number: 1942.166