Glass photographic plate showing an x-ray image of a human hand
1896-1899
1896-1899
1922
1956
1955
1922
1956
1955
1908-1914 (estimated)
1955
1956
1955
1955
1955
1955
1968
1955
1907-1949 (estimated)
1968
1955
1968
1955
1900-1949 (estimated)
1968
1968