X-Radiograph Description: X-Radiograph X-Radiograph Settings: 22 kv, 5 ma, 30 sec.; 15 and 27 kv, 5 ma, 15 and 3 sec.; 23 and 28 kv, 5 ma, 30 and 3 sec. Burroughs Number: 3291 X-Radiograph(s) of: Artist: Vivarini, Antonio (Workshop), Italian, ca.1415-died 1476-1484 Title: Madonna and Child Owner: Harvard University Art Museums Object Number: 1938.4