X-radiograph(s) of "Head of Angel"

X-Radiograph Description: X-Radiograph, center - 2 inches of Angel's Head X-Radiograph Settings: 21 kv; 6 ma; 1 1/2 min.; 40" working distance Burroughs Number: 3620 X-Radiograph(s) of: Artist: Coptic Title: Head of Angel Owner: Dumbarton Oaks, Washington, D.C.