X-radiograph(s) of "Dorothy Murray"

X-Radiograph Description: X-Radiograph, 4 1/2 sheets X-Radiograph Settings: 5 ma, 40 kv, 50 sec. Burroughs Number: 4092 X-Radiograph(s) of: Artist: Copley, John Singleton, American, 1738-1815 Title: Dorothy Murray Description: Oil on canvas, lined to canvas (with glue?) Owner: Harvard University Art Museums Object Number: 1929.321