X-radiograph(s) of "Dorothy Murray Forbes"

X-Radiograph Description: X-Radiograph; Details : head and right elbow X-Radiograph Settings: 21 to 31 kv; 5 ma; 30 to 3 sec Burroughs Number: 2746 X-Radiograph(s) of: Artist: Copley, John Singleton, American, 1738-1815 Title: Dorothy Murray Forbes Date: c. 1759-c. 1761 Description: Oil on canvas ; 92.08 cm. x 71.44 cm., actual Owner: Harvard University Art Museums Object Number: 1929.321