X-Radiograph Description: X-Radiograph X-Radiograph Settings: 5 ma, 50 kv, 35 sec. (4 sheets) Burroughs Number: 4275 X-Radiograph(s) of: Artist: Watts, George Frederick, British, 1817-1904 Title: Portrait of Unknown Man Description: Oil on canvas Owner: Harvard University Art Museums Object Number: 1939.93
two 2x2 fillm negatives on the same strip
20th centuryAmericanGelatin silver print
20th centuryAmerican