
'Pedoscope' shoe-fitting X-ray viewer
1948-1953
1948-1953
1870
1920-1925
1797-1804
1956
1978
1996
1878
circa 1923
1884
1955-1965
1963
1958
1922-1923
1922-1923
1922-1923
1922-1923
1936-1955
1858
1948-1967
1857-1858
circa 1920
1927-1929
1939-1969
1910-1930
1926
1856
1838
1863-7
1898
1850-1900
circa 1900
2013
circa 1920
About 1970
before 1889
1897
1939-1969
1923
1986-1997
1922-1923
1922-1923
1922-1923
1863
1922-1923
1925-1935