X-radiograph(s) of "Mrs. Otis"

X-Radiograph Description: X-radiograph; Negative; Detail : head Burroughs Number: 2738 X-Radiograph(s) of: Artist: Blackburne, Joseph, American, ca.1730-after 1778 Title: Mrs. Otis Date: 1755 Description: Canvas Owner: Mrs. Russel's Collection