X-radiograph(s) of "Mrs. Ann Tyng Smelt"

X-Radiograph Description: X-Radiograph X-Radiograph Settings: 20 kv; 5 ma; 36 sec Burroughs Number: 3477 X-Radiograph(s) of: Artist: Copley, John Singleton, American, 1738-1815 Title: Mrs. Ann Tyng Smelt Owner: Boston Museum of Fine Arts, MA